Description of Wireless Stereo Bluetooth Headphones for Mobile Cell Phone Laptop PC TabletFeatures:1. Wireless Bluetooth headset, compatible with Bluetooth enabled devices, such as iPhone, iPad, HTC, Lenovo, Samsung, Tablet PC, etc. 2. 4G Bluetooth 3.0 EDR, support HSP/HFP/A2DP/AVRCP, connect two

Description of Wireless Stereo Bluetooth Headphones for Mobile Cell Phone Laptop PC TabletFeatures:1. Wireless Bluetooth headset, compatible with Bluetooth enabled devices, such as iPhone, iPad, HTC, Lenovo, Samsung, Tablet PC, etc. 2. 4G Bluetooth 3.0 EDR, support HSP/HFP/A2DP/AVRCP, connect two Bluetooth equipments at the same time. 3. Built-in microphone, voice prompt power on/off and pairing, support voice dial for iPhone. 4. Enhanced noise reduction, good choice for listening music, watching movie, talking on the phone, etc. 5. Multifunctional key allows you power on/off, answer/hang up/reject/redial the last number, pause and play. 6. Build-in rechargeable li-battery, charge via USB cable for 2~3 hours. 7. Standby time up to 250 hours, can work for about 10 hours continuously. 8. Light weight, length adjustable hinges, comfortable to wear. 9. fashionable appearance.   Specification:Bluetooth: 2.4GHz Bluetooth 3.0 EDR Frequency response: 20-20,000Hz Transfer Distance:33FT/10M(No Walls Between the cellphone and this bluetooth headset,otherwise it maybe cause delay of the bluetooth signal)     Play/Talk: 10hours Easily charge via USB port    Low Battery notification    Volume /- Button Track Forward/Backward Buttons   Adjustable Earpiece Placement Built-in Microphone, answer to the phone calls when paired with mobilephone. Size:175x200x45mm How to use: Power on: keep pressing Multifunctional key until you see the blue LED shine. Power off: keep pressing Multifunctional key until you see the red LED shine.