Speaker Size: 6 mm
Frequency Response: 20 Hz-20 kHz
Earphone Sensitivity: 99 dB @ -10 dBFS
Mic. Sensitivity: -42 dB @1 kHz/Pa
Earphone Impedance: 16 ohm
Bluetooth Version: v5.0
Operation Distance: 10 m
Earphone Battery Type: Lithium Battery (60 mAh)
Charging Case Battery Type: Lithium Battery (400 mAh)
Charging Power: 5V=1A
Earphone Charging Time: <1.5H (Low Battery to Fully Charged)
Case Charging Time:<2H (Low Battery to Fully Charged)
Music Playtime with Single Charge: ≈6H
Playtime from Charging Case: ≈24H
Weight: 55 g