The wireless headphone is designed with a 25° slanting appearance，it is not only for a distinctive look but also makes earphones stay in your ears more stable and comfortable. Multiple sizes of ear tips and ear wings give you more options to choose the best appropriate one for your ears’ contour. Equipped with a 150mAh battery, the talking/music time of Bluetooth earphones is up to 13 hours and standby time is up to 300 hours. It takes about 2 hours to get fully charged, and you can watch the battery level on your iOS device screen. Keep. running with uninterrupted music playing. IPX7 waterproof Nano-coating effectively prevents wireless sports headphones from being damaged by sweat or rainwater. No obstacle or excuse will stop your workouts, Mpow wireless earphones are specially designed for any kinds of sports. such as running, jogging, cycling, skating, skipping, etc. Precise dynamic drivers deliver HD stereo sound with mid-bass, CVC 6.0 noise cancellation offers clear voice chat, and call. talking. Mpow provide an 18-month worry-free guarantee, please contact us without hesitation when you meet any problems