Features 1. Hidden, speaker unit, without earplugs design, fully utilizing ergonomics, hidden without loss of comfort. 2. The new generation Bluetooth 5.3 has a strong core and a stable connection distance of 10 meters, allowing players to continuously connect and play games. 3. The skin friendly and ear shaped design creates a resonant effect through the ear shaped cavity, allowing you to have a better experience. 4. Type-C charging, comfortable button, crescent shaped button design, ensuring safe and reliable answering/hanging up all the way. 5. Sports are waterproof and sweat resistant, effectively preventing sweat from damaging electronic components during daily activities. Specification Product model: G27 Bluetooth solution: Zhongke Lanxun 5656 Product horn: 13mm copper ring horn Standby time: approximately 900H Working hours: 15 hours Charging time: approximately 1 hour Communication distance: Accessible 10-15 meters Earphone battery capacity: 90mAh Net weight of product: 9.9g (bare machine) Product gross weight: OPP bagged weight 10.1g Complete product: 30g Product accessories: Type-C charging cable+Chinese and English instruction manual Color box size: 9 x 6.5 x 3 cm Material: ABS Color: White, Black, Skin colour, Purple, Pink Size: 9 x 6.5 x 3 cm Package Include: 1x Business Bluetooth Headphones