Fangrui Product Details Bluetooth 5.0 Version: Bluetooth Adapter Jack Use The Latest Bluetooth V5.0 Technology, The Bluetooth Signal Is More Stable And Faster. Generally, No Signal Interference Will Occur Within 10 Meters, More Fun To Use. Pocket Size, Portable To Carry It By Your Side. No Driver Required, Plug And Play. 3-in-1 Transceiver: Bluetooth Adapter There Are 2 Modes, It Can Be A Transmitter (red Light) And Even Of A Receiver (blue Light). In Transmit Mode: Tv, Mp3/mp4, Pc, Cd Player, Ipod Etc. Non-bluetooth Can Pair With Bluetooth Speaker Or Headset Using This Bluetooth Transmitter. In Receive Mode: It Is Ideal For Music Streaming At Home Or In The Vehicle. Bluetooth Name: T-10. High Fidelity And Low Latency Audio: With Built-in Advanced Csr Chip, Both Transmitter Mode And Receiver Mode Support Apt--x To Keep More Audio Details, Which Provides A Near-lossless Sound, Enabling Fast And Stable Transmission, Processing And Decoding. Please Take Care That Apt--x Technology Is Available When Both Transmitting And Receiving Devices Are Supportable. Quick Connection: Plug The Device Into A Usb Port For Power (such As A Usb Charging Port On A Tv, Computer Or Mobile Phone Charger), The Device Will Automatically Power On, And The Device Will Turn On The Red Light And Flash Quickly, That Is, Enter The Wireless Search State, Can Easily Let Your Pc, Computer Or Other Devices Connect To Bluetooth Devices More Wirelessly.