Bluetooth Earphones,KEKU Wireless Mic Noise Canceling Stereo Headphone Headset-In-Ear With Microphone Sweatproof Sports Running Gym Earbuds for Common Bluetooth Devices Elegant appearance and Multi-function:answer/end calls,Last number redial,Support Car navigation etc. Play/pause (also answer calls), Vol +/-, and next/previous track buttons, super easy operation, good workmanship,BQB Certificated,Sweatproof! Good noise isolation which reduce outside noises and enable clearer sound to create the optimal environment for listening to your favorite tunes,built-in microphone with noise cancellation from mic for clear calling and friends chatting. Comfortable and secure design fits perfectly to your ear;the cable smartly stays out of your way when running ,jogging or exercising Bluetooth 4.0 technology provides high-fidelity stereo music and clear speech with up to 6 hours of continuous talking / music time; easy and fast pairing with all the bluetooth enable smartphones,tablets and other bluetooth enabled music devices.