Bluetooth & Charging:
Bluetooth 5.1
Up to 10m wireless range
Up to 10 hours playback
Charge time: Approx. 2 hours
Charging input: USB DC 5V
Audio input: 3.5 mm AUX
Battery: Rechargeable 400 mAh
Earphone:
Frequency range: 20 Hz – 20 kHz
Impedance: 32 ohms
Driver unit: 50 mm
Microphone:
Frequency range: 50 Hz – 8 kHz
Impedance: 2200 ohms
Sensitivity: -40 dB – +3 dB
Directivity: Omni
Colorful light on earcup (ON/OFF)