Wireless Bluetooth Headphones V5.1 Single, Dustproof and Waterproof for Office Gold Description: Bluetooth 5.1 version: high speed, active connection within 10 m, continuous listening to songs and making calls without interference. Long-lasting battery life: Once fully charged, you can listen to 600 songs, and the large battery lasts 30 hours. The battery status display allows you to easily check the battery status. Waterproof and dustproof: multi-process head body: effectively prevents sweat and dust damage to components. Details of rubber dust plug, no more worry about dust getting into the charging port. Multi-: The level of multi-core frequency division is clear. High performance 5.1 chip, playing games with less latency, listening to sound and positioning, clear sound and image synchronization. Comfortable to wear: lightweight body, does not hurt the ears, ergonomically designed, the ears are evenly weighted. Specification: Bluetooth version: 5.1 Impedance: 32 Listening time: 15-40 hours Battery Capacity: 300mAh Standby time: Talk time: 15-40 hours Charging time: 2-3 hours Connection distance: 10 meters 10MM Genuine Copper Speaker Size Chart: 60x18x30mm/2,36x0,71x1,18 inch The package includes: 1 piece headphones 1 piece charging cable 1 pair of hooks na ears 1 pair 1 piece of data lineage