Features:1.LED digital display multi-functional intelligent BT audio receiver and transmitter.2.Designed with BT 5.0 chip for better compatibility and stability.Two-channel stereo sound,zero transmission delay,support various devices.3.BT receiver (RX),BT transmitter (TX) two in one.4.Equipped with high-definition LED digital display screen,working status and BT mode are clearly visible.5.Built-in digital-to-analog converter chip,support AUX,RCA,USB,TF interface.6.Cool breathing light,red/blue dual color,soft and not harsh.7.Built-in 400mAh rechargeable lithium battery,long battery life.8.Support USB (U disk),TF card playback and transmitter.9.Support 58m IR remote control.10.Built-in HD microphone,support wireless listening,hands-free calling,navigation (RX mode)11.The product is easy to connect,no tedious driving and downloading APP.12.Receiver mode is suitable for Car kit/wired speakers/home speakers /power amplifier/ headphones,etc...13.Transmitter mode is suitable for TV/computer/projector/power amplifier/TV box/BT headset/headphones/Bluetooth speaker,etc...Product Specifications:Product version:standard/remote controlBluetooth version:BTV5.0Supported protocols:A2DP/AVRCPOperating band:2.402GHz-2.480GHzPower level:Class 2 (Class II)Interface:3.5mm AUX/2RCA/USB/TFSupported formats:mp3/wav/wma/ape/flac/g729/m4a/alacOperating current:<40mAUse time:about 6-8 hours listening to music,30 days standbyMicrophone support:Yes,hands-free calling with microphone (RX mode only)Charging method:5V/0.5ACompatible devices:Android,IOS system cell phones and PAD,active speakers,power amplifiers and BT speakers or headphones supporting A2DP/AVRCP protocol connected to use.New upgrade:TX mode supports AirPods headphones (basically not supported in the market).Product list:1 x BT audio adapter1x 3.5 mm audio cable1x RCA audio cable1x Type-C charging cable1x User Manual1x Retail Package1x Remote Control