BT-6 2 In 1 Receiver & Transmitter Bluetooth 5.0 Audio Adapter 1. Support protocol: A2DP, AVRCP, HFP, SPP HID 2. Receiving working current: 43MA 3. Transmitting working current: 60MA 4. Standby current: 18MA 5. Built-in battery: polymer 260MAH 6. Charging current: 200MA 7. Bluetooth distance: 10 meters (empty) 8. Charging method: Micro USB 5V1A 9. Output connection mode: 3.5MM stereo interface 10. Input connection mode: 3.5MM stereo interface 11. Suitable for IPAD, Android, IOS phones and other Bluetooth audio devices, audio devices with audio input Features: 1. Embedded ARM926EJ-S core, 4KB lcache and 4kB Dcache 2. Support stereo codec 3. Support HFP, HSP, A2DP, AVRCP and SPP configuration files 4. Noise reduction and echo cancellation 5. Multi-band equalizer configuration 6. Support loss hiding 7. Multipoint HFP and A2DP 8. Support voice prompt 9. The integrated lithium-mode battery charger supports 200mA fast charging and over-discharge protection Product Features: 1. Support audio equipment with audio input for wireless audio reception and transmission 2. Support automatic search for connected Bluetooth devices for wireless audio transmission 3. Built-in AEC cancellation and ANC noise cancellation circuit, gorgeous stereo sound, purer sound quality 4. Built-in enhanced signal transmission circuit, faster and more stable connection 5. Compatible with dual lossless audio formats 6. Support AUX OUT, earphone 7. Automatic memory connection function, easier to operate and more convenient to connect 8. Built-in battery, long battery life 9. Bluetooth 5.0, low power consumption 10. Smart compatibility, Android, IOS mobile phones and IPAD, and other Bluetooth audio devices 11. Support connecting 1 mobile phone 12. The product connection is simple, without tedious driving and downloading APP; 13. Size: about 9x8.5x3 cm 14. Weight: 37 grams packing list: 1. BT-6 Bluetooth transmitter receiver 2. 3.5MM audio cable 3. Micro USB charging cable 4. English manual