Bluetooth version: 5.3
Driver size: 13mm
Effective range: 10m
Frequency response: 20Hz-20KHz
Earbuds battery: 25mAh each
Charging case battery: 180mAh
Speaker sensitivity: 112 ± 3dB
Speaker impedance: 32 ± 15%
Microphone sensitivity: -90dB
Charging time: Approx 2 hours
Standby time: Up to 90 day
Working time: Up to 4 hours @70% volume
Charging plug: Type-C