Chipset: BES2000IZ
Bluetooth chipset：v5.0
Bluetooth distance: ≥10M
Speaker type: Neodymium Magnet Composite Membrane Speaker /:Φ12mm.
Input Impedance：32±15% Ω
Rated Power：2.5 mW
Max. Input Power：5 mW
Sensitivity：93dB+/-3dB (@1kHz)
L/R Channel imbalance：≦1dB
Frequency response：20Hz~ 20kHz
Mic Sensitivity : -42±3dB
Directivity : Omni-direction
SNR: ≥75dB
Battery：180mah
Charging time: <3H Music time：>=8hrs
Standby time: about 30hrs (using state)
