HIGH FIDILITY SOUND, Designed to Let Nothing go in between you and your music. Experience Original Sound with Powerful Highs and Clear Lows . The Noise Cancelling Technology ensures Crisp , Skip Free Stereo Sound, Up to 9 hours of Talk/Playing Time and about 500 hours Standby Time. HD quality Comfortable, flexible and light. High quality sound with HD speaker and enhanced BASS effect., HANDS-FREE CALLING, It Features a one incoming Call receive Functions from up to 30 Feet Distance. The Earphone has Song Selection , Play / Pause Function and Call Receiving Controller., These earphones look good, but they sound even better. Mic included in earphone for ease while on call., Running Jogger Hiking Exercise Sweatproof Hi-Fi Sound Hands-free Calling Supported Devices KBP-730 Sweatproof Earbuds, Best for Running, Gym Noise Cancellation Stereo Sound Quality Calling Supported Devices with All Android/Ios Smartphone