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If you are looking for a stylish and multifunctional Bluetooth headset， this item is the best one for you. This new over-the-head Bluetooth headset is specially designed for an active lifestyle and combines the stylish design and reliable wireless technology in the ideal mini size units. It's completely accord with the requirement of fashionable life and gives you the convenient wireless way to enjoy the wonderful wireless music. And， this Bluetooth 4.0 headphones with 40mm speaker which has noise reduction technology， the best audio performance， talking and listening clearly. You just need to simply pair the headset with your Bluetooth-enabled devices (such as， mobile phone， Tablet， etc.) to enjoy the wireless wonderful music and the convenience of hands-free. The leatherette ear cushion can greatly insulate the sounds around you， so you can hear your call clearly， and you can see goodbye to wobbly over the-ear headsets! The over-the-head styling is stable， lightweight and comfortable.?Features:?This item uses Bluetooth 4.0 wireless Bluetooth headphone---The Newest advanced Bluetooth 4.0 technology (8 times the bandwidth compare over the Bluetooth 2.1 standard).Equipped with 40mm speaker high-quality built-in microphone， which has noise reduction technology， the best audio performance， talking and listening clearly.Support listening to music and answering calls. (adjustable headband for Adult and Kids and folding design for traveling and using easily)The leatherette ear cushion can greatly insulate the sounds around you， so you can hear your call clearly3.5mm audio jack provides a simple wired connection of a variety of devices.Built-in rechargeable lithium-polymer battery offers you 11hours of talk time or audio playback.32 ohms impedance: Efficiently conducts power.Supports wireless chatting and music streaming: When connected to your PC， mobile phone， TV or for PlayStation 3 (PS3) for versatile use. Remote buttons make it easy to control media playback.Included micro USB charge cable makes it easy to replenish the battery's power.Specifications:?CSR (Broadcom) Bluetooth 4.0 solution， HSP， HFP， A2DP， AVRCP ?Charging time About 2 hoursStandby time: About 320 hours?Successive Talking time: About 11 hoursFrequency response: 20Hz - 20 kHzSpeaker diameter: 40mmImpedance: 32ohmSensitivity: S. P. L 110dB S. P. L @ 1 KHzOutput power: Class2 / 4dbmRated Power: 20mWMicrophone Unit: 4 * 1.5mmMicrophone sensitivity: - 42dBS. P. L: - 42 ?32dBDirectivity: Omni directionImpedance: 2.2KOperating voltage: 3.3~4.2VThe audio cable length: 115cmThe USB charge cable length: 82cmColor: Black?Main item size (Folding): 18.5 * 18.0 * 8.0cm / 7.87 * 5.71 * 3.54inMain item weight: 163g / 5.77ozPackage size: 20.0 * 14.5 * 9.0cm / 7.28 * 7.09 * 3.15in?Package weight: 298g / 10.52ozCompatible Models:?For iPhone6 6Plus 5S/ 5C/ 5/ 4S/ 4/ 3GS/ 3GFor iPad 4th， 3rd， 2nd， 1st， iPad MiniFor iPod Touch 4th/ 5th/ Nano 7For Samsung Galaxy S5 S4 S3 S2， Note 4/ Note 3/ Note 2， Tab SeriesFor HTC One M7 M8 Desire X Series S VFor Lumia 800 820 900 920For Sony Xperia Z1 Z2For LG Pro 2 SeriesOr other Bluetooth-enabled devicesPackage list:1 * Bluetooth headphone1 * English User Manual1 * USB Charging cable1 * 3.5mm Audio cable