nkomax REMAX Magnet Sports Earbuds Bluetooth 4.1 Earphones Bluetooth Headphones Runner Headset Sport Earphones with Mic Universal General Stereo Earphones RM-S2(red) 1. MAGNETIC ABSORPTION: Magnetic design makes it handy for your workouts and outdoor activities. You can wear it as a necklace if you don't need wireless headphones, which may prevent it from loss,and never get annoyed with the mixed and tiny your bags. 2. TANGLE-FREE FLAT CABLE: Voice prompt and independent in-line control will help you to get rid of all complicated procedures which will highly improve your passionable, energetic pace of life. 3. CSR BT4.1 VERSION: Steady Bluetooth signal, independent in-line control and HD microphone will let you enjoy the incredibly wireless freedom no matter you hear the music or make a call. 4. ERGONOMIC IN-EAR DESIGN: The ultra-light and ultra-small structure will comfort and set free your ears. 5. A2DP TECHNOLOGY: Clear Voice Capture, for enhanced call clarity and music streaming.Long battery life,built-in high performance polymer battery, up to 6 hours talking/playing time, and about 160 hours standby time.