nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy

This USB dongle/key type thing is a little unusual - it isn't a BLE adapter that you plug into a computer to add wireless capability. (If you do want

Buy Adafruit 5199 nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy - MDBT50Q-RX in India

nRF52840 Bluetooth USB Dongle Wireless Module 2.4GHz BLE 4.2 5.0 EBYTE E104-BT5040U 250m Low Power Consumption RF Transceiver Transmitter Receiver : Electronics

Bluetooth Low Energy with CircuitPython on a nRF52840 USB Dongle, by Eric Pietrowicz

adafruit-nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy ADA5199

nRF52840 Bluetooth USB Dongle Wireless Module 2.4GHz BLE 4.2 5.0 EBYTE E104-BT5040U 250m Low Power Consumption RF Transceiver Transmitter Receiver : Electronics

Adafruit Industries - 5199 - nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy - MDBT50Q-RX - RS

nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy [MDBT50Q-RX] : ID 5199 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits