SLWSTK6103A BGM220 Bluetooth モジュール・スターター・キット - Silicon Labs - Silicon Labs
Amazon.com: Scosche BTR3-SP BTFREQ Universal Bluetooth Wireless Audio Streaming and Handsfree Calling Receiver, Connect to Earbuds, Headphones, Car Stereo, Black : Electronics
Amazon.com: Scosche BTR3-SP BTFREQ Universal Bluetooth Wireless Audio Streaming and Handsfree Calling Receiver, Connect to Earbuds, Headphones, Car Stereo, Black : Electronics