This is a Bluetooth mono headset with superior acoustics and sound reception. The ergonomic slim ear hook provides added comfort for wearing. The in-ear styling makes it fit snugly into your ears to reduce background noise. Talking on your cell phone with ease with this versatile headset.

• Bluetooth version: Bluetooth ver 2.0.
• Bluetooth profile: headset, hands-free, hands-free 1.5.
• Range: maximum 10m (class 2).
• Continuous calling: maximum 4 hours.
• Continuous standby: maximum 70 hours.
• Battery: Li-ion polymer.
• Output power: +4dBm.
• Receive sensitivity: -83dBm.
• Frequency: 2402MHz-2483MHz.
• Input voltage: AC100V-240V, 50/60Hz.
• Output voltage: DC5.0V, 500mAh.
• Operating temperature: -10 to +60℃.
• Voice recognizing function.
• Convenience user interface.
• Supports phone calling, hanging up, rejecting, headset, mobile-phone conversion, and phone calling by voice recognition functions.