DESCRIPTION:
- Bluetooth version: 5.0.
- Headphone battery capacity: 3.7V / 60mAh.
- Charging case battery capacity: 750mAh (4 times charge for earbuds).
- Headphone charging time: 40-60 minutes.
- Charging time: 40-60 minutes.
- Duration (call / play): 4 times * 8 hours+ = 32 hours+.
- Sensitivity: 120 + 5dB.
- Frequency response range: 20-20000 Hz.
- Impedance: 32Ω.
