Make your car AUX sound system and home theater AV HiFi Surrounding system compatible with bluetooth, get music from Bluetooth enabled device like for iPhone, For iPad, For iPod, For HTC For Samsung Smartphone or Bluetooth PC, Laptop.Simply connect this Bluetooth audio receiver to your input or additional input on your speakers, connect it to your Bluetooth enabled device and enjoy the wireless music revolution.Whether you want Bluetooth convenience in your car, via your home theater system, in your kitchen, bathroom or bedroom, etc.Easy operation, 3.5 mm Male to Male Audio Connector or 3.5 mm Male to Male Audio Cable to connect the speakers and receiver.High performance AMP chip, can press the headset and speaker, applicable to all types of speakersPowerful Bluetooth IC, More Stronger CompatibilityPowered by built-in rechargeable li-ion battery via mini USB port, long working hours and low consumption. (Mini USB cable included)You can play music through your car stereo and answer phone calls via the built-in microphone. The first time charging takes it 100%Specifications:Dimensions: 52mm (L) x 21mm (W) x 11mm (D)Bluetooth v3 + EDR, Class 2Support A2DP V1.2 (Built-in Mic)Powered by USB 5V DCTransfer rate: 3 (Mbps)Built-in microphoneTransmission distance of up to 10MSupport A2DP stereo3.5 mm stereo inlet socket Battery life: about 7 hoursCharging time: 2 hoursSupport for Bluetooth handsfree functionWireless music receiver connects to 3.5 mm headphone jackUsed with stereo / speaker, car stereo, headphones etc. How to use:1.Power on / offTurn on: Press and hold the ON / OFF button for 5-7 seconds until you hear "ready for connection or audio"; it will automatically connect the paired phone.Shutdown: Press and hold the ON / OFF button for 4-5 seconds until you hear a "Long be or red LED". 2. Connect the receiver to your speakersWith 3.5 mm male to manual audio jack or 3.5 mm male to manual audio cable to connect the speakers and receiver (if no sound, make sure it was fully loaded). 3.Pairing(1) Make sure the speakerphone is in OFF mode(2) Parring: Press and hold the ON / OFF button for 7 seconds until you hear "Ready for connection or audio" (holding down the button until you hear the "Ready for connection" roaming report). The LED indicator flashes between red and blue alternately. It is now ready for mating.(3) Turn on the mobile phone's Bluetooth feature and search for available Bluetooth devices by referring to the user's manual for your mobile phone for details.(4) Select Bluetooth from the list.(5) When the connection is completed, the "Reported or Short Bebe" Row indicator will flash blue alternately. Compatible with :For iPhone 3G, 3GS, 4, 4, 5, 5c and 5s, 6, 6 PlusFor iPad 1, 2, 3, 4, Air, Mini1 and 2For laptop and computer with Bluetooth 2.1 and laterFor Samsung, for HTC, etc, all other Android 2.1 (and later) devices with BluetoothSmartphone with Bluetooth 2.1 and later the package contains:1 X Bluetooth receiver1 x charger cable1 x 3.5 mm stereo socket outlet