Easyown Bluetooth Headphones,Wearable Wireless V4.0 In-Ear Magnetic Stereo Sweatproof Earbuds with Mic for Bluetooth Smart Cell phones/DevicesBlack ADVANCED TECHNOLOGY: with the bluetooth 4.0 technology, ensure high-fidelity stereo music & easy to pair even you are 10 meters away from your device; And it takes the British imported CSR chip, with unique iphone Siri voice control automatically. SPECIAL DESIGN: lightweight and easy-take, magnetic attraction design makes it hang like a necklace around your neck to avoid falling down or losing after exercising and greatly decreasing the burden on ears. FEATURES: bass noise reduction, anti-sweat, anti-moisture.high-fidelity stereo music and clear speech via noise reduction;Sweatproof ensure Stable and Comfortable when running, hiking, camping, biking, skiing, jogging, climbing, doing fitness, etc. LONG STANDBY: about 2 hours charging, 4.5hours for playing music, 5 hours for talking, and 180 hrs for standby time. RISK-FREESHOPPING! If you do not like or out of other reasons, refund no hesitation; any problems, we're ready to help.