Product DescriptionsFeatures :Simple operation: Connect the speakers and a receiver via the 3.5mm audio jack. Then connect the receiver to your Bluetooth device and enjoy the music revolution without any wires.Your Car Audio AUX System or HiFi Home Theater Speaker System become bluetooth compatible, get music from bluetooth device.Widely used with Hi-Fi systems, headphones, car or motorcycle speakers, etc.It's just Receiver, NOT Transmitter.Specifications:Bluetooth version: 3.0+EDRBluetooth frequency: 2.4GHzColor: BlackTransmission distance: up to 10 mOperating time: up to 8 hoursBluetooth sound processing: A2DP (Advanced Audio Distribution Protocol)How to use:1. To enter pairing mode, press and hold the Power button for 5 seconds until both the red and blue LEDs flash.2. You can receive music on your Bluetooth-enabled mobile phone or via the Transmitter.3. The LED on the music receiver will slowly flash blue after pairing successfully.4. To complete pairing, some devices require a passcode, please enter "0000".5. Once paired successfully, the devices can be turned off. It will automatically pair with your phone next time.Compatible with:Most mobile phones and tablets.iPhone 6 / 6 Plus / 6s / 6s Plus / 5se / 7 / 7 PlusiPad mini 4, new iPad, iPad air 1/2, iPad ProSamsung Galaxy S5 / S6 / S6 edge / S7 / S7 edgeSamsung Galaxy Note4 / Note5 / Note edgeAlso Compatible with HTC, BlackBerry, LG and etc.The package includes:1 x Bluetooth Music Receiverx USB Cable1 x 3.5mm Audio Connector1 x User Manual