Vibrating wireless headset

Product Information:

Type: Headphone
Headphone type: Headphone
Wearing style: head-mounted
Headphone output audio source: general
Plug diameter: wireless
Plug type: Bluetooth
Is there a microphone: yes
Sounding principle: moving coil
Frequency response range: 20-20000 (Hz)
Impedance: 32 (Ω)
Sensitivity: 108 (dB)
Distortion rate: 1 (%)

Packing list : 

1 * Bluetooth earphones