• Cert: FCC, BQB
• Microphone: yes
• Remote control: play, stop, pause
• Volume up and down
• Driver unit: 40mm
• Impedance: 32 ohms
• Sensitivity: 105 +/ - 2db S.P.L at 1KHz
• Frequency response: 20Hz - 20,000 Hz
• Battery type: built-in lithium ion
• Rechargeable battery
• Battery charging: approx hours
• Working time: 8-10 hours
• Connect with other audio devices by

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