Features: --Great invention one Conduction Headphones are designed to transmit sound through vibrations in the human both ears and help people with hearing loss. --Product Configuration: Built-in 160 mAh lithium batterytakes 2 hours to be fully charged standby for 10 days listen to music or answer the phone for 6 hours, connection distance is about 10m. --Usage Scenario: Bone Conduction Headphones are sturdy and sweat proof, suitable for running, cycling,fitness, hiking, rock climbing, and driving. --Antiperspirant Design can reduce the production of Bacteria to protect the ear. --Comfortable and Safe:The Bone Conduction Headphones using blue-tooth 5.0 wireless connection, don't need to cram the receiver in the ear canal can listen to the music and answer the Phone, and your ears can hear the sound of the surrounding, very safe. Specification: Model: V10; Color: Space Silver/Black; Material: Titanium Alloy + TPE Soft Rubber; blue-tooth Version: V5.0; Effective Range: Approx.10M (33FT); Frequency Response Range: 20 Hz~20 KHz; Battery: 160 mAh; Charging Voltage: DC 5V; Charging Type: Micro-USB; Charging Time: 2 Hours; Playing Time: 6 Hours; Standby Time: 10 Days; Waterproof Level: IPX5; Package Included: 1 x Bone Conduction Headset; 1 x USB Cable; 1 x User Manual