Lenovo HT18 TWS Bluetooth 5.0 3D Stereo Earbuds
- Bluetooth version: Bluetooth 5.0
- Frequency response range: 20-20KHZ
- Sensitivity: 100+3db
- Transmission distance 10 meters
- Music time is about 4 hours
- Standby time is about 60 hours
- Charging time is about 1 hour
- power source capacity of earbuds is 40 mAh
- power source capacity of charging bin is 1000 mAh