2 in 1 Wireless Bluetooth 5.0 Receiver Transmitter Adapter 3.5mm Jack For Car Music Audio Aux A2dp Headphone Reciever HandsfreeThis music receiver(hands-free) is designed to receive music from mobile phones or transmitters that feature Bluetooth wireless technology.The music receiver can be used with almost any audio receiver with an audio input jack,including automobiles.Listen to music from your smart phone or mp3 player on your existing home or car audio system.To enjoy car music,call solutions,the use of smart phones to make calls and listen to music through the car stereo.The product is embedded echo cancellation microphone.Using only one button,you can easily switch between music and phone.Compatible:All bluetooth enabled devices: Smartphone and laptops like iPhone, iPad, iPad Mini, iPod, Samsung, Sony, HTC, Blackberry and docks & speakers like Bos e, Roberts, J B L, Samsung, Pure, Sony, Phillips, B&W, Klipsch, etc.Such as:iPhone 3G, 3GS, 4, 4s, 5, 5c and 5s, 6, 6 PlusiPad 1, 2, 3, 4, Air, Mini1 and 2Laptop and PC with bluetooth 2.1 and aboveSamsung, HTC, etc, all other Android 2.1 (and above) devices with BluetoothSmart-phone with Bluetooth 2.1 & aboveSpecification:Bluetooth: v2.1+EDR, Class 2Bluetooth hands-freeBluetooth stereo audio profile:A2DPTransmission Distance: up to 10mOperation time: up to 8 hoursFrequency: 2.4GHz3.5mm stereo audio outputColor: BlackNet Weight:19g Dimension: 55x25x10mmFeatures:High-performance,support A2DP V1.2 stereo profile.Simple operation,connect speakers and receiver by 3.5mm audio connector.Widely use with home AV systems, home stereos, headphones, automobile or motorcycle speakers and more.Powered by built-in rechargeable li-ion battery via micro USB port, long working time and low consumption. (Micro USB cable included) Sleep mode for energy savingMake your Car AUX audio sytem and Home Theater AV HiFi Surrounding system become bluetooth compatible, get music from Bluetooth enable device such as iPhone, iPad, iPod, HTC Samsung Smart cellphone or Bluetooth PC, Laptop.