Two Meters Social Distancing Bracelet Beacon for Contact Tracing with Proximity Alarm


The B8 wristband is a social distancing Bluetooth® beacon with distance ranging, precisely sensing when other wearers come within 2-meter and alerting the user with visual red light and vibration. B8 wristbands can store more than 20,000 data records. The Minimum Order Quantity is 3 pieces.

Two Meters Social Distancing Bracelet Beacon for Contact Tracing with Proximity Alarm

B8 Wristband is a wearable tag with a vibration motor. It advertises encrypted data in a proprietary data format. Featuring 2-meter safe social distancing alarm and USB direct charging, the tag supports data interaction with APP.


  • The battery can last 48-72 hours per full charge.
  • The SDK Software can be provided after purchasing the sample.
  • Bluetooth 5.0 / Low power consumption.
  • Proximity vibration and led alert.
  • Rechargeable battery.
  • Can store up to 20,000 records.
  • IP67 waterproof grade.
  • FDA & CE certification.
  • Comfortable to wear and user-friendly.

Main Functions:

  1. Proximity alert
    Notifying people if they come too close to a defined distance 2 meters by a vibrating and red alert, to keep the safe distance in public or working places
  2. Store Contact Information
    Enable data storage function of B8, when tag A detects tag B within 2-meters, tag A will automatically store the ID and contact dates of tag B, and vice versa. If more tags come within a 2-meter range, tag A will automatically store the contact information of all other tags.

Turn On/Off

Turn On: Press the Touch Button until the blue indicator light flashes, meaning the device starts to work.
Turn Off: The tag can not be turned off via the Touch Button. Users can turn it off via an APP.

Charging: Insert the charge port of the tag into a charger with a USB interface or a computer USB.


B8 Social Distancing Wristband, a new generation beacon tag based on Bluetooth® Low Energy 5.0 technology, can realize proximity alerts and contact tracking amid the COVID-19 pandemic. The device adopts a direct USB charging method and consumes ultra-low energy. When one tag comes within the 2m range of another tag, both devices will vibrate, and the LED indicator will flash. Meanwhile, the tag will collect and store the contact information of another tag within the 2m range. The contact information can be viewed via the MWristband APP (Android available currently). 2.


2.1 Chipset and Firmware
– Ultra-low power consumption chipset NORDIC® nRF52 series with 64 MHz Cortex-M4 with FPU
– wristband App (for testing only, the final version is developed by the customer), SDK available

2.2 Vibration/LED Alert
– Vibration and LED indicator light-triggered when intruding 2m safe social distance

2.3 Large Storage Capacity
– Store up to 20,000 contact records in tag

2.4 Intruding Incident Information Storage
– Intruding incident information including ID (Mac Address), time and date storage
– Multiple intruding incidents storages

2.5 Rechargeable Internal Lithium Battery
– High-quality reachable lithium battery
– Direct USB charging method
– Charge the tag every 48-72 hours
– Charge cycle: more than 1,000 times

2.6 Long Range
– Max range 80 meters in the open space
– Signal range depends on the working environment

2.7 Security
– Advertise non-sensitive data including ID, time and date, RSSI value in Minew-defined data format

2.8 Water and Dust Resistant
– IP67 Certification
– Easy cleaning and disinfection


Hospitals and nursing home, institutions, business entities, schools, and stadiums that need to help employees and visitors maintain proper social distance and track close contacts.

Activate B8 – Press the “touch button” until the blue light is on; – Blue LED indicator lights flash, indicating the beacon begins to work

Configuration Tool – There is no power off button on the device. Users can turn the power off via App. – The data storage function is turned off by default. Users can enable storage function via the App.

The contents of this datasheet are subject to change without prior notice for further improvement. Minew team reserves the right to explain all the terms of this datasheet.


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Product Manuals

If applicable, the Product Documentation, Reference Materials, CAD design(s),.STEP file(s) and/or other drawing files, Manuals, and Tutorials will be available for download upon purchase. The order confirmation email will include a downloadable link to the product file(s) which can also be downloaded from the My Account section if needed.

Eddie- Senior Sale & Business development manager of BLE and LTE module, who will quick response for all kind of technology questions. Abby- sales manager for all the product .

Shipping Policy

For some products, the shipping cost is calculated based on the product weight, not based on the number of items in the order. To benefit from lower shipping costs for orders with multiple items, please contact us at Click HERE for more on Shipping, Exchange and Refund Policies.

By placing your order, you agree to Oz Robotics order cancellation policy

IMPORT TAX/CUSTOM FEE: While not all products require import/customs tax, but some items may require a very small duty/import tax if applicable in your country. The total amount for your order does not include any duty fees. All import duties must be paid by the buyer. Oz Robotics is not responsible for import fees, duties, or customs clearance for any shipment. On each product page; please check the “By” section to see the manufacturer or supplier for that product.

SHIPMENT: We strictly use UPS, DHL, or FedEx for all orders because they are reliable, faster, and easily trackable. We usually ship within two business days after the full payment is received. Standard Delivery generally occurs within 3-5 business days after the ship date. However, sometimes delivery time depends on destination, logistics mode, weather conditions, size, and weight of the product. Our shipping rates are listed very clearly on each product page under the SHIPPING tab. Additionally in order to see the shipping cost for your country, just add your item to the Shopping Cart, there you will see the Estimate Shipping button. Just click on that button to see the shipping cost based on your Country and Location. Click HERE for more on Shipping Policies.

Return Policy

EXCHANGE POLICY: Oz Robotics wants you to be happy with your new purchase. However, we abide by the exchange policy of our suppliers because we do not manufacture these products, our suppliers do. Please read the product exchange policy that is defined by each supplier for their own listed product(s) which can be found under the Shipping tab on each product page. Once you have used the product, we and our supplier(s) have the right to not issue a refund, but they will offer an exchange for the wrongly purchased items, or products that have serious and irreversible defects or technical problem(s). In the case of wrongly purchased products or any other similar issues, the shipping fee will be paid by the buyer. If the product you purchased is defective, please email us at with some photos or a video of the defective parts for us to evaluate before you send it. Click HERE for more on Exchange Policies.

REFUNDS/RETURNS: Oz Robotics accepts returns on a very limited basis, which unless there is a manufacturing defect. For any electronic items, returns are only accepted on devices which have serious and irreversible quality defect problem, meanwhile, the customer must apply for the returns within 7 days from the date of delivery. Before a refund acceptance please include images or a video, and any other material proof of the defect. However, we abide by the exchange policy of our suppliers because we do not manufacture these products, our suppliers do.

Please check our supplier Exchange Policy under the “Shipping” tab on each listed product page. Other than our supplier’s default policy, once a return is agreed upon, then you can ship your defective item to the provided return address that you should receive from us first. Please ship the order in original packaging with all the accessories and additional parts. If the Required Parts are not sent back, then it will be billed for, or expected to be shipped at a later stage. And only once all items have arrived as a full system, then we can check the returned product for testing. Include in your package a signed letter stating the reason for your return and the original receipt as well as any above mentioned proof of defect, images, or a video, etc. This will help us to speed up the process on your behalf.

The purchaser (customer/buyer) is responsible for all shipping costs when returning an item. However, upon receiving the returned order, we will assess the product, and if it is determined that there is in fact a manufacturing defect then we will refund the shipping costs as well as repair, or replace or refund the full amount to the purchaser if the product is not fixable.

If you wish to return a product, please do so within 7 days from the ship date for a refund on the purchase price, minus shipping, handling. Refunds will be credited to the original credit card use for payment in 24-48 HOURS after receiving the product back. We will charge 70% restocking fee.

Once your return is received and inspected, and if agreed for a refund, then refunds will be credited to the original credit card used for payment in 24-48 hours. Please note that we will charge a 20% restocking fee if you want to return a product that does not have any defect.

Once your refund is processed, then PayPal will return the money to the card that was used. It may take at least 5 business days (depending on the bank and credit company) before your refund is officially posted in your bank account and statements. Contact Us if you still have not received your refund after 5 business days.

Do not return your product to our New York office. For any exchange or refunds, please email us first at for us to provide you with the steps that need to be followed. Any product you return must be in the same condition you received it and must be returned in the original packaging without being used. Please keep the original receipt. Click HERE for more on Shipping, Exchange and Refund Policies.

Shipping costs

Country State Postcode Cost
United Kingdom (UK) Any Any $48.00
United States (US) Any Any $48.00
Canada Any Any $48.00
Mexico Any Any $55.00
Germany Any Any $48.00
Italy Any Any $48.00
France Any Any $48.00
Spain Any Any $48.00
Sweden Any Any $48.00
Brazil Any Any $60.00
Australia Any Any $48.00
Singapore Any Any $48.00
Slovakia Any Any $55.00
Israel Any Any $77.00
Romania Any Any $77.00
Any Any Any $77.00

If you have any questions with regards to this product, please ask us here. The product link will be included automatically.

  1. 0 votes
    Q Hello I have a question I am a supervisor for a janitorial company that works along side of Amazo...... Read more
    Asked by Renee Cantu on January 6, 2021 1:07 pm
    Answered by Oz Robotics

    Hi Renee, yes, it will work for you. The main function of this bracelet is to notifying people to keep a safe social distancing and can store the contact information when they get close to each other (not at a safe distance) for contact tracing. Attached please find the specification for reference. B8 Social Distancing Wristband Datasheet_V1.2

  2. 0 votes
    Q is there a way to turn the proximity alert off? Also, can someone reach out to me via email to di...... Read more
    Asked by josh fike on November 24, 2020 11:03 am
    Answered by Oz Robotics

    Hi Josh, it is not possible to turn off the proximity alert via APP. If you do not need the vibration function, then the easiest way is to remove the vibrating motor from the hardware. That means the vibration function will not be available anymore. Thank you.

  3. 0 votes
    Q How much for the admin app... Read more
    Asked by Ula on November 13, 2020 7:08 am
    Answered by Oz Robotics

    Hi Ula, the app comes with it and it's free. Thank you.

  4. 0 votes
    Q I have just received my order of social distancing bracelets, but am not sure how to turn them of...... Read more
    Asked by Zaleyah on August 17, 2020 7:15 pm
    Answered by Oz Robotics

    Hi Zaleyah, we have just replied to your email with all the details and credentials. Thank you.

  5. 1 vote
    Q Good afternoon, My name is Jakub Knezl and I represent Silgan Metal Packaging Europe. I cam...... Read more
    Asked by Jakub Knezl on July 31, 2020 7:38 am
    Answered by Oz Robotics Hi Jakub,  please find our comments below.
    • Can you please send me your price sheet with volume discounts? [Minew]: < 100pcs: US$15/pc 1000pcs: US$13/pc
    • Can you please send me the technical sheet of the bracelet (detailed specifications)? [Minew]: Please see attached specification.
    • Would it be possible to get free samples if we were interested? [Minew]: Sorry, we do not provide free samples. But we can offer some discount for your next order.
    • Is an app necessary for using this device or is it a stand-alone device?
    • [Minew]: If you only used for proximity alert purpose.
    • Does it vibrate immediately when close proximity to another person is reached or does it have a delay?
    • [Minew]: There's a 3-5 seconds delay.
    • Does it store contacts/data? [Minew]: Yes.
    • How do you deal with GDPR? [Minew]: Each bracelet with a unique ID (MAC address), each person can be assigned a bracelet, but the bracelet will not broadcast any personal information.
  6. 1 vote
    Q What type of software is used to administratively manage this product?... Read more
    Asked by Ryan Myett on July 21, 2020 6:35 pm
    Answered by Oz Robotics

    Hi Ryan, we provide a demo APP, you can export the contact data records from APP, SDK also can be provided for your own app development. Thank you.

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