3.5mm Car Bluetooth 3.0 Wireless Receiver Music Audio Hands-Free Stereo Adapter Transmitter Features:1. Make 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. 2. Simply connect this bluetooth audio receiver to your line-in or auxiliary input on your speakers， pair it to your Bluetooth enabled device， and enjoy the wireless music revolution. 3. Whether you want Bluetooth convenience in your car， through your home-theater system， in your kitchen， bathroom， or bedroom，etc. 4. Simple operation，3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver. 5. High-performance AMP chip，can push the headset，and high-power speaker，applicable to all types of speakers 6. Powerful bluetooth IC，More stronger compatibility 7. Powered by built-in rechargeable li-ion battery via mini USB port ， long working time and low consumption. (Mini USB cable included) 8. You can play music through your car stereo and answer phone call via the built-in Mic. Specifications:Dimensions : 54mm(L) x 25mm(W) x 10mm(D)Weight : 43gBluetooth v3+EDR， Class 2Support A2DP V1.2 (built in Mic)Powered by USB 5V DC Transmission Rate:3(Mbps) Transmission Distance: up to 5m Built-in microphone How to Use:1.With 3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver. 2.Open "Bluetooth Settings" of iPad，iPhone and other devices，Search to the device name and paired. If need code，please enter "0000" 3.After successful connection，the blue LED lights alone flash slowly，you can be successfully wireless play music immediately. Compatible With :iPhone 3G， 3GS， 4， 4s， 5， 5c and 5siPad 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 & above Package Include:1 x Bluetooth Music Receiver Built-in Mic1 x Micro USB Power Cable1 x 3.5mm Stereo Inlet Socket1 x User Manual in English