Feature: Open wireless headphones surround the directional sound field, open design, sweatproof and waterproof, small body life Wear comfortably without ear clips, protect ears from damage Surrounding directional sound field The speaker adopts physical ecological diaphragm technology Light and wearable 180mah battery life, Bluetooth 5.1 chip, lower power consumption, stronger battery life, IPX5 life waterproof 5.1 Low power consumption is the core technology of the headset. It adopts an exquisite energy-gathering cabin design and a built-in large-capacity lithium battery to escort your headset. Model: VG05 Bluetooth-compatible version: 5.1 Speaker: φ16mm/normal Transmission distance: gt;10m Headphone capacity: 150mah Talk time: 5 hours Playing time: 5 hours Charging time: 1.5H IPX5 life waterproof Packing list: 1 x Wireless Headphones 1 x data cable 1 x manual