Bluetooth Earphone

    Bluetooth version: V5.0+EDR

    Transmission distance: up to 10m
    Support: A2DPAVCTPHFP
    Frequency range: 2.402~2.480GHz
    Speaker frequency: 20~20K Hz
    Speaker sensitivity: 100dB + 3dB at 1KHz
    Impedance: 16 Ohms±10%
    Micrphone 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
    Earphone working time: up to 15H (earphones up to 5H + Docking Station up to 10H)
    Standby time: approximately 300 hours
    Docking Station
    Input voltage: DC 5V
    Overcharge, over-discharge protection
    Accessories: USB cable 1pcs