Features‎:‎The R539 smart earphone Bluetooth is a CSR4.0 AB1513 Wireless connected‎.‎Built in HD MIC And Music stereo‎,‎it‎'‎s most ensure different area user can works well‎.‎The latest Bluetooth 4.0 can compitiable 99% bluetooth Device anywhere all over the world‎.‎you gain an amazing communication device that works like a cell phone on your smartphone‎.‎The Smart CVC6.0 Noise Canneclling ensure this earphone have very neutral Sound‎,‎ Excellent performance of Wearing comfort‎,‎Voice can ensure people to listen to pop music on demand‎,‎ and appearance design also seize the eye of a lot of men and women‎.‎The top quality and Fashion design is important reasons of this Earphone will definitely popular‎.‎ both at home or outdoors‎,‎ either long or short time‎,‎ can choose this headphones‎.‎ it can be said is a trendsetter Street necessary headset products‎.‎Specification‎:‎Model Name‎:‎ Bluetooth Earphone R539Style‎:‎Ear Hook Wireless HeadsetColor‎:‎Black/White/BlueMaterial‎:‎ Plastic & RubberSound Lever‎:‎ Heavy Bass Perfect precise SoundFrequency Rance‎:‎ 20‎-20000HZProducts Impedance‎:‎ 16Ω ohmsCharger‎:‎ Micro USB PortSupport Format‎:‎P3‎,‎MP4‎,‎ WMA WAVControl Buttons‎:‎Play/Pause/ Call / Receive/Volume/Last/Next Support System‎:‎IOS / Android /WindowTalk time‎:‎ 4.5 hoursBluetooth Version‎:‎ V4.0+ AB1513Compitiable Devices‎:‎Mobile phone‎,‎Tablet pc‎,‎Laptop‎,‎MP3 etc  Packing List‎:‎ 1xBluetooth headset1x USB cabl1x User manual