Bluetooth Earphone
Bluetooth version V5.0
Transmission distance: up to 10m
Frequency range: 2.402~2.480GHz
Speaker frequency: 20~20K Hz
Speaker sensitivity: 100dB + 3dB at 1KHz
Impedance: 16 Ohms±10%
Microphone sensitivity: -58+3dB
Microphone directionality: Multidirectional design
Microphone frequency response: 100-10000HZ
Rated power: 15mW
Charging voltage: DC 5V
Charging time: approximately 1-2 hours
Woking time: up to 6H ( earphones up to 2H + Docking Station up to 4H)
Standby time: approximately 300 hours
Docking Station
Input voltage: DC 5V
Overcharge, over-discharge protection
Accessories: USB cable 1pcs