Features:Control the playback of video and music (previous or next, volume up/down), and answer or end calls.Adaptive frequency hopping and improved interference rejection.Supports Bluetooth Advanced Audio Distribution Profile (A2DP)Supports Audio Video Remote Control Profile (AVRCP)Suitable for

Features:Control the playback of video and music (previous or next, volume up/down), and answer or end calls.Adaptive frequency hopping and improved interference rejection.Supports Bluetooth Advanced Audio Distribution Profile (A2DP)Supports Audio Video Remote Control Profile (AVRCP)Suitable for all bluetooth enabled device.Specifications:Chipset: CSRFrequency: 2.40GHzBluetooth Version: V2.0/V2.1/V3.0 EDRMusic Time: about 4 hoursTalk Time: about 5 hoursStandby Time: about 180 hoursCable length: 50cm / 1.64 ft.Color: blackUser tips:1. Pairing mode: Turn on your device bluetooth function, then hold down the MFB button about 6 seconds till the LED blinks red and blue alternatively. It\'s the pairing mode now, your device will find the headphone automaticlly.2. Voice control: Hold down the volume and volume - button at the same time, we can use the voice control on iphone, tested on iphone 4s siri.3. Previous or next song: Hold down the volume or volume - button for about 2 seconds, we can control the playback of previous or next song.Package Contents:1 x HV-803 bluetooth headphone1 x mini USB Cable1x Carry Bag1 x User Manual1 Set Replacement Cushions