Specifications:
- Working time: 2-4 hours
- Standby time: 80-100 hours
- Charging time about 1.2 hours (earbud indicator light, red: charging, blue: fully charged)
- Battery capacity: 60 mAh
- Wireless distance: 10-12 meters
- Compatibility: Compatible with Android, iOS, Microsoft, and 99% of phones with Bluetooth