20pcs/lot hc-06 HC 06 RF Wireless Bluetooth Transceiver Slave Module RS232 / TTL to UART converter and adapter
BT-1 BT-2 Solar Controller Extended Bluetooth Communication Bluetooth Adapter to Bluetooth Mobile Phone for SRNE Controller ML - AliExpress
Amazon.com: ZEXMTE Bluetooth Adapter for PC 5.1, Long Range USB Bluetooth Adapter 328FT/ 100M Bluetooth Dongle 5.1 EDR, Bluetooth Adapter for PC Windows 11/10/8/7-Bluetooth USB Adapter for Computer/Laptop : Electronics
USB TO TTL Serial Port Bluetooth Adapter HC-06 master+CP2102 converter Module | eBay
Amazon.com: DSD TECH SH-B23A Bluetooth 2.0 to RS232 Serial Adapter with DB9 Converter : Electronics
USB TO TTL Serial Port Bluetooth Adapter HC-06 master+CP2102 converter Module | eBay
HC-07 Bluetooth module - Serial RS232 / TTL to UART converter and adapter
Walkie Talkie Wireless Speaker Microphone - Herda Radio
Amazon.com: Bluetooth Receiver 5.0 Wireless Audio Receiver, 3.5mm Jack AUX car Audio/Wired Headset/Home Stereo System Compatible, can be Connected to Smartphone/Tablet Bluetooth, Hands-Free Compatible Microphone : Electronics
USB to High-Speed USART (12Mbps) – Umbratek
Amazon.com: Taidacent USB to TTL Adapter CP2102 Adapter Small Size Solderable HM-11 HM-10 Bluetooth Module USB to TTL Uart Adapter USB 3.3 v to Serial Adapter : Electronics
New Version hc-06 HC 06 RF Wireless Bluetooth Transceiver Slave Module RS232 / TTL to UART Converter and Adapter - AliExpress
NEW HC-05 HC 05 hc-06 HC 06 RF Wireless Bluetooth Transceiver Slave Module RS232 / TTL to UART converter and adapter for arduino - AliExpress
Slave Serial Port Bluetooth Module Kit - Corzotech