Bluetooth

5 In 1 USB Bluetooth 5.2 Transmitter Receiver Stereo Bluetooth RCA USB 3.5mm AUX For TV PC Headphones Home Stereo Car HIFI Audio  

HM10 CC2541 Serial Bluetooth4.0 BLE Module - iBeacon IOS/Iphone/Android

JDY-08 BLE Bluetooth 4.0 Uart Transceiver Module CC2541

HM-10 CC2541 CC2540 BLE 4.0 Bluetooth UART Transceiver Module Central

HC 06 Wireless Bluetooth Transceiver Module RS232 / TTL

Bluetooth serial backplane HC- 05 / HC- 06 with clear button for Arduino

TINY USB 2.0 Bluetooth EDR Dongle MINI Wireless Adaptor

Mini XS3868 Bluetooth V2.0 Stereo Audio Module Board OVC3860 Supports A2DP AVRCP

Bluetooth module - HC-05