Comfortable to Wear: Not into the ear design, with a rotatable headset can be adjusted at , no vibration, even if the long time to wear not pain. IPX5 Level Waterproof: Multi-process tight design for the headset to provide a full range of waterproof , even running fitness is not afraid of rain and sweat. compatible 5.2 Chip: Effectively solve the headset and Android connection instability, faster and more stable connection, and more compatible. Suitable for: It is suitable for every usage scenario, special car driver, courier, journey, etc. It is convenient and practical. compatible Version: 5.2 Headset Capacity: 300mAh Charging Time: 1h Talking Time: 88h Waterproof Rating: IPX5 Colour:Black Material:abs Package Contents: 1 x Bluetooth headset 1 x Data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.