B10S Bluetooth Adapter 5.0 Bluetooth Transmitter Receiver 2 in 1 Bluetooth Adapter Product description: Support audio equipment with audio input interface to realize wireless audio reception and transmission Built-in AEC and ANC noise elimination circuit, gorgeous stereo, sound quality more pure Built-in enhanced signal transmission circuit, connection faster and more stable voice Compatible with dual lossless audio formats Support the AUX INOUT Automatic memory connection function, easier operation, more convenient connection Built-in battery, long battery life Smart, compatible with android, IOS phones and pads, and all bluetooth audio devices Product connection is simple, without any driver and download APP tedious; Launch status supports one drag two functions Stereo support in transmit mode Product parameters: Bluetooth version: 5.0 Charging: DC 5V Battery: 300 mha Working hours: 5hours Charging time: 2 hours Output: 3.5mm audio output Packing weight: 65g This product is connected to a bluetooth device (such as a cell phone) and inputs audio into other non-bluetooth audio devices using AUX ports This product is connected with AUX and playback device, and the audio is transmitted through bluetooth to the bluetooth receiving device (such as bluetooth headset).