Bluetooth earphoneHeadphone color: Blue, Gray, Green, PurpleWearing method: rear hanging type.Battery capacity: 200MA.Charging method: USB.Charging time: 1 hour.Play time: 6 hours.Headphone weight: 30gIt is not open to the ear, open-ended design with both ears, open ears, keeping the surrounding environment aware and safer.Daily running sports are protected from rain and sweat. Whether it is sweating or rainy, running and running are easy.High-quality microphones, clearly enter your voice through a simple wire-controlled, sporty and noisy environment to answer calls clearly.Product features: answer/reject calls, play/pause music, volume adjustment, language chat, etc.We are confident that we can meet your needs with high quality products,if you find any problems with our products, please feel free to contact us by email to solve the problem.Tips1, please check the size and color before purchasing.2, please note that there might be a little color difference due to different monitor.3, if you have any problem, please feel free to contact us.4, If you still can't receive your order after 30 days, please contact us.