Fangrui Product Details 1. B6 Bluetooth 5.0 Adapter Wireless Audio Receiver And Transmitter 2. Embedded Arm926ej-s Core, 4kb Lcache And 4kb Dcache 3. Support Stereo Codec, Hidden Data Packet Loss, Voice Prompt 4. The Integrated Lithium-mode Battery Charger Supports 300 Ma Fast Charging And Over-discharge Protection 5. Support Audio Equipment With Audio Input To Realize Wireless Audio Reception And Transmission 6. Multi-band Equalizer Configuration 7. Support Automatic Search And Connection Of Bluetooth Devices To Achieve Wireless Audio Transmission 8. Built-in Aec Noise Cancellation And Anc Noise Cancellation Circuit, Gorgeous Stereo Sound, More Pure Sound Quality 9. Built-in Enhanced Signal Transmission Circuit, Faster And More Stable Connection, Continuous Tone 10. Compatible With Dual Lossless Audio Formats 11. Automatic Memory Connection Function, Simpler Operation And More Convenient Connection 12. Noise Reduction And Echo Cancellation 13. Built-in Battery, Long Battery Life 14. The Product Connection Is Simple, Without Any Driver And Download App 15. Support Connection To 1 Mobile Phone 16. Transmitting Working Current: Less Than Or Equal To 60ma 17. Receiving Working Current: Less Than Or Equal To 43ma 18. Charging Current: 300ma 19. Life Time: About 8 Hours 20. Connection Mode: 3.5mm Stereo Interface 21. Working Frequency: 2.4mhz 22. Support Protocol: A2dp, Avrcp, Hfp, Spp, Hid 23. Operating Distance: 10 Meters 24. Transmission Rate: 2mbps 25. Charging Method: Micro Usb 5v0.5a 26. Battery Capacity: 600mah 27. Interface: Aux 28. Compatible: Android, Ios System Mobile Phone And Pad And All Bluetooth Audio Equipment, Audio Equipment With Audio Input Interface 29. Packing List: Host+3.5mm Audio Cable+rca Cable+usb Power Supply Cable+english Manual 30. Size: 9.8x5.8x1.3cm 31. Weight: 40g