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nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy [MDBT50Q-RX] : ID 5199 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Edimax Bluetooth Adapter for PC, BT 5.0 EDR Nano USB Dongle, Fast Transfer, Bluetooth Headphones Headset
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