Asense&reg; Bluetooth Earbuds Wireless Stereo Headphones Headset Sports Running Gym Exercise Earphones Earpiece with Microphone & Rechargeable Li-ion Battery for iPhone 5s 5c 4s 4 iPad 2 3 4 New iPad iPod Android Samsung Galaxy Smart Phones All Bluetooth Devices(Black) High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly. Eliminates the white noise and delivers a clean audio experience offering hours of pure enjoyment. Sweat-proof, durable design, Onscreen Battery Meter, Up to 4 hours of Talk/Playing Time and 100 hours Standby Time. HV-803 ,up to 8 hours Playing time , offering a full week of workouts, or a full day of listening. Easy access to Handfree Talking / Volume up / Volume down / fast forward (skip) / Backward / Pause / Play / Power buttons.