Fangrui Product Details 1. Qccv5.2 Enhanced Version: Bluetooth Transceiver Adaptive Adaptive 2. Support Lossless Transmission: Multiple Encodings And A2dp, Avrcp, Hfp, High-standard Audio Decoding, No Noise 3. Upgrade To Bluetooth Audio: Support Audio Equipment With 3.5 Mm Aux Interface, And Play Sound Wirelessly Through Bluetooth 4. Upgrade Bluetooth Tv: Connect To Tv With 3.5mm Interface To Transmit Bluetooth Signal To Connect To Bluetooth Headset, Bluetooth Speaker Interface: 3.5mm/aux Whether Plug And Play: Plug And Play External Power Supply: With External Power Supply Transmission Rate: 100 (mbps) Effective Working Radius: 10 (m) Bluetooth Standard: 5.2 Working Frequency: 2.4 (mhz) Colour:black Material:plastic Size:8 X 16.1 X 2.6cm Package Contents: 1 X Transmitter Receiver 1 X Audio Cable 1 X Charging Cable 1 X Chinese And English Manual Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From