DescriptionSpecification:Bluetooth Version: V4.0+EDRWireless Frequency:2.402-2.480GHzTransmission power:Class2Talk time:about 4 hoursMusic playing time:about 3 hoursStand by time:about 120 hoursEffective range: 10 metersWeight:about 42gFeatures:Handsfree headsetLight weight， Portable， Easy to carry.Ultra mini design ，stealth，popular and beautiful!Enjoy High quality music:Bluetooth 4.0Voice broadcast when you receive a callOne button to answer call， built-in microphonePlay the music in your phone (after Bluetooth pairing)Can be connected with 2 bluetooth devices at the same time.Can be compatible with various bluetooth enabled devices such as :mobile phones，ipad，PC，etc.Package Includes:2 x Mini Bluetooth Earphone2 x USB cableTips To Use:1. Before you start using the headset， please use the USB charger cable to charge first.2. Power on and enter pairing mode automatically: press the power button of the headset for 3-5 seconds until you see the blue-red light blinking alternately.3. Make sure you turned on the bluetooth on your phone， search and connect headset model ("S530") on it.4. Power off: press the power button for 3-5 seconds until you see the red light is on.5. Changing Chinese and English mode: press the power button for about 1 second， and then release.6. Power indicator charging: when charging， the red light is on; after fully charged， the blue light is on.