Specifications:
Connections: Bluetooth / Plug 3.5 mm (0.14”)
Chipset Bluetooth: QCC3003 Bluetooth V5.0
Noise cancelling: 15~20 dB between 100-500 Hz
Radio frequency range: 2402 GHz-2480 GHz
Compatibility: HFP, A2DP, AVRCP Bluetooth protocol
BT transmission range: Up to 15 m (without obstacles)
Response rate: 20 Hz-20 KHz
Speaker diameter: 40 mm (1.57”)
Impedance: 32 Ω
Headphone sensitivity: 100dB±3dB
Microphone
Microphone sensitivity: -42dB
Headphone sensitivity: 98dB±3dB
Battery: Rechargeable Li-Ion; 3.7 V, 250 mAh
Charge: Computer USB interface
Input voltage: DC 5 V 0.5 A (power supply not included)
Charging time: 2~3 hours
Autonomy: Up to 10 hours (with BT and ANC on, at medium volume)
Stand by time: Up to 300 hours
Warranty: 6 months