Features: brand new and high quality Bluetooth-compatible 5.0 provides instant pairing and stable transmission without interruptions. Ergonomic design makes it painless for long-wear. IPX5 water proof protects the earphones from rain or sweat during work. Rubber ear hooks,can be adjusted. Using upgraded dynamic coil speakers to enhance the sense of depth, presence and space, and present a three-dimensional surround effect like a live scene. Specifications: Material:ABS Color:Black,Green,Orange(Optional) Horn Diameter:0.6cm/0.24in Bluetooth-compatible Version: 5.0 Operating Range: About 33 feet (10 meters accessibility) Headset Battery Capacity:4 mAh Playing Time:About 4 Hours Charging Time:About 1.5 hours Charging Battery Capacity:400mAh IPX5 Water proof Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Pair Headsets 1x Charging Box 1x Charging Cable