Product specification:<;br/>1. Product weight: 4-5g (single earphone)<;br/>2. Working time: about 2-4 hours<;br/>3. Standby time: 120h<;br/>4. Charging time: 1 hours<;br/>5. Single earphone battery capacity: 30mAh<;br/>6.Charger Box Betty: 200mAh<;br/>7. Wireless distance: 10m<;br/>8. Compatible mobile phones: headphones are compatible with Android, IOS, Microsoft, etc.<;br/>Packing list:<;br/>1 * tws Earphones<;br/>1 * Charging box<;br/>1 * USB cable<;br/>1 * User manual<;br/>