1. Product weight: 4-5g (single earphone).
2. Working time: 2-3 hours.
3. Standby time: 100/h for one ear and 60/h for both ears.
4. Charging time: 1-1.5 hours.
5. Single earphone battery capacity: 35mAh.
6.Charger Box Betty: 300mAh.
7. Wireless distance: 10m.
8. Compatible mobile phones: headphones are compatible with Android, IOS, Microsoft, etc., 100% of mobile phones with Bluetooth.