Features:1. e your Car AUX audio sytem and Home T AV Surrounding systembecome bluetooth compatible, get music from Bluetooth enable device such as Forhone,For ad,For od,For HTC For Samsung Smart cellphone or Bluetooth PC,Laptop.2. Simply connect this bluetooth audio receiver to your line-in or auxiliary inputon your speakers, pair it to your Bluetooth enabled device, and enjoy the wirelemusic revolution.3. Whether you want Bluetooth convenience in your car, through your home-tsystem, in your kitchen, bathroom, or bedroom,etc.4. Simple operation,3.5mm Male to Male Audio Connector or 3.5mm Male to Male AudioCable to connect the speakers and the receiver.5. High-performance AMP ,can push the headset,and high-powerspeaker,applicable to all types of speakers6. Powerful bluetooth IC,More stronger compatibility7. Powered by built-in rechargeable li-ion battery via mini USB port , longworking time and low consumption. (Mini USB cable included)8. You can play music through your car stereo and answer phone call via thebuilt-in Mic.Specifications:Dimensions :5.00*2.00*0.50cmBluetooth v3+EDR, Cla 2Support A2DP V1.2 (built in Mic)Powered by USB 5V DCnsmiion Rate:3(Mbps)Built-in microphonensmiion distances of up to 10MSleep mode for energy savingSupport Bluetooth hands-free functionUp to 2 hours music playbaor continuousWirele music receiver connects to 3.5mm headphone sUse with home speakers, car,headphones etc.How to Use:1.Power on/offPower on: Pre and hold the ON/OFF on for 5-7 seconds until you hear a "readyfor connecting or a sound", it will auto connect the phone which was paired.Power off: Pre and hold the ON/OFF on for 4-5 seconds until you hear a "Longbe or red led".2.Connect the receiver to your speakersWith 3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable toconnect the speakers and the receiver (if no sound, Please e sure it wasinserted completely).3.Pairing(1) Ensure the speakerphone is under OFF mode(2) Pairing: Pre and hold the ON/OFF on for 7 seconds until you hear the"Ready for connecting or a sound" (when you holding the on until you hear thevoice report "Ready for connecting"). The LED indicator will f between red andblue alternately. It is now ready for pairing.(3) Activate your mobile phone's Bluetooth function and search for availableBluetooth devices by referring to your mobile phone user manual for details.(4) Selet "310REV or DL-LINK" from the list.(5) When paring is completed, the voice report "connected or short bebe" The LEDindicator will f Blue alternately.Compatible With:For hone 3G, 3GS, 4,For 4s, 5, 5c and 5s, 6, 6 PlusFor ad 1, 2, 3, 4, Air, Mini1 and 2For Laptop and PC with bluetooth 2.1 and aboveFor Samsung,For HTC, etc, all other Android 2.1 (and above) devices with BluetoothSmart-phone with Bluetooth 2.1 & above