Supported protocol A2DP, AVRCP, HFP, SPP HID
receive working current ≤ 50 MA
send working current ≤ 120 MA
standby current ﹤30MA
Max Charging current 300MA
Bluetooth range ﹥10M
charge methods Micro USB 5V/0.5A
Output connection 3.5MM stereo audio port
Input connection 3.5MM stereo audio port
Compatibility compatible with phones and PAD of Android/IOS system, and all Bluetooth audio devices.

Features
•Bulil-in ARM926EJ-S core, 4KB lcache and 4kB Dcache
•Support stereo codec
•Support HFP, HSP, A2DP, AVRCP, and SPP profile
•Noise reduction and echo cancellation
•Multi-band equalizer configuration
•Multi-point HFP and A2DP
•Support voice prompts

Functions
Support all audio equipment with audio input interface, realize wireless audio receiver transmission
Support automatic search for Bluetooth devices to realize connect, transmit wireless audio transmission
Built-AEC echo cancellation and noise cancellation circuit ANC, gorgeous stereo sound more pure
Built-in enhanced signal transmission circuit, connected faster and more stable
Double lossless audio formats compatible
Automatic memory connected function, the operation is easier, more convenient
Built-in battery, Long standby
Live voice prompts, simple and clear operating
Smart compatible Android, IOS phone system and PAD, and all Bluetooth audio devices
Support connect a mobile phone
Easy connection, No Need APP and Drivers