HOCO EW91 TWS Wireless Headphones with Charging Case

1. Connectivity: Bluetooth V5.4
2. Earphone battery capacity: 30mAh
3. Charging case battery capacity: 300mAh
4. Usage time: Listening to music/making calls: Approximately 4 hours
5. Standby time: Approximately 150 hours
6. Operating range: Up to 10 meters