1. Headset material: ABS.2. Size: 105*55*30mm. Weight: 23g.3. Wireless version: 4.1. Wireless chip: CSR.4. Battery capacity: 90mAh. Charging time: 3h.5. Talk and music time: 4 hours, standby time: 80h.6. Language supported: Chinese and English.7. The part contacting ears is 360 soft material, providing comfortable wearing.8. The microphone rod rotating in 270°, the earhook rotating in 180°, applicable to both ears for wearing.