B109S Bluetooth 5.0 Transmitter Receiver Suitable For 3.5MM ComputerTVSpeaker 1. Bluetooth version: JL-5.0 2. Charging: DC 5V 3. Battery: 300 mAh 4. Working hours: 6 hours 5. Charging time: 2 hours 6. Output: 3.5MM audio output 7. Support automatic search and connection of Bluetooth devices to achieve wireless audio transmission 8. Built-in AEC echo cancellation and ANC noise cancellation circuit, gorgeous stereo, more pure sound quality 9. Built-in enhanced signal transmission circuit, fast connection, more stable and continuous sound 10. Compatible with dual lossless audio formats 11. Support AUX INOUT 12. Automatic memory connection function, easier operation and more convenient connection 13. Built-in battery, long battery life 14. Smart compatibility, Android, IOS system mobile phones and PAD, and most Bluetooth audio devices 15. The product connection is simple, without any tedious driving and downloading APP 16. The launch state supports the one-to-one function 17. Support stereo in transmit mode 18. By connecting with a Bluetooth device (such as a mobile phone), input the audio to other audio devices without Bluetooth function using the AUX interface 19. Connect the AUX to the playback device, and transmit the audio to the Bluetooth receiving device (such as a Bluetooth headset) through Bluetooth 20. Weight: about 50 grams 21. Dimensions: 100x60x25mm