Specification: Item Type: Bluetooth Earphone_x000D_Material: ABS_x000D_Color: As Pictures Shown _x000D_Weight: Approx. 127g/4.5oz_x000D_Bluetooth version: 5.0_x000D_Pairing name: A10_x000D_Headphone battery: Lithium polymer battery 200mAh_x000D_Charging box battery: polymer lithium battery 1500mAh_x000D_Charging time: about 2 hours_x000D_Charging voltage: DC5V_x000D_Listening time: about 30 hours_x000D_Talk time: about 48 hours_x000D_Effective range: 10-15 meters/32.8-49.2ft_x000D_Waterproof: IP54 Features: 1According to the ergonomic design, the tilt is 55, and the ear hanging type fits firmly, which is suitable for running. 2180 rotating earcap design, free adjustment of angle, left and right ears can be worn. 3Powerful composite dynamic diaphragm, start instantaneous sound waves like ocean waves response. 4The ear?hook is made of flexible and springback material, which will automatically snap back to the back of the ear when wearing, making it more comfortable and not easy to fall off. 5IP54 waterproof, can effectively prevent rain and sweat into the headset internal damage components, no fear of rain and sweat. PackageList: 1 x Charging Box 1 x Bluetooth Earphone 3 x Ear Cap 1 x Micro USB Charging Cable 1 x Manual