BT-6 2-in-1 Bluetooth-compatible Adapter Bluetooth-compatible 5.0 Transmitter Receiver TX/RX with 3.5mm Stereo Interface Embedded ARM926EJ-S core,4KB lcache and 4kB Dcache Support stereo codec Support HFP,HSP,A2DP,AVRCP,and SPP profiles Noise reduction and echo-cancellation Multi-band equalizer configuration Support packet loss hiding Multi-point HFP and A2DP Support voice prompts Integrated lithium mode battery charger supports 200mA fast charge and over-discharge protection Functions: Support audio equipment with audio input for wireless audio reception and transmission Support automatic search for connecting Bluetooth-compatible devices to achieve wireless audio transmission Built-in AEC cancellation and ANC noise cancellation circuit,gorgeous stereo,more pure sound quality Built-in enhanced signal transmission circuit,connecting faster and more stable Compatible with dual lossless audio format Support AUX OUT,Earphone Automatic memory connection function,easier to operate and more convenient to connect Built-in battery,long battery life Bluetooth-compatible 5.0,low power consumption Intelligent compatibility,Android,IOS system phone and PAD,and all Bluetooth-compatible audio devices Support for connecting 1 mobile phone The product connection is simple,without any cumbersome driving and downloading the APP Specifications: Supporting protocols: A2DP,AVRCP,HFP,SPP HID Receiving working current: ≤43MA Transmit working current: ≤60MA Standby current: 10M (empty place) Charging method: Micro USB 5V/1A Output connection mode: 3.5MM stereo interface Input connection method: 3.5MM stereo interface Compatible: Android,IOS system phone and PAD,and all Bluetooth-compatible audio devices,audio devices with audio input Package included: 1 x BT-6 Bluetooth-compatible Transmitter Receiver 1 x 3.5mm Audio Cable 1 x Micro USB Charging Cable 1 x Operating Instructions