Product Features：

• Long Endurance：About 25 hours battery life, fully charged

• Flexible Usage: Supports wired/2.4G/Bluetooth connection playback, Wired and wireless, flexible to use.

• Key Control very convenient: Press the physical button on the left earmuff at will Mastering all kinds of adjustments.

Specifications:

• Speaker Size: 50mm

• Impedance: 32Ω -15%

• Sensitivity: 105 -3db

• Frequency Range: 20HZ-20KHZ

• Microphone Size: 6.0*2.7mm

• Microphone Sensitivity: 105 -3dB

• Control Button: Yes

• LED Working Voltage: DC5V -5%

• Working Current: ≦180mA