Designed for a range of devices including Ultrabooks| tablets and smart phones| the Lenovo Wireless Headset W870 delivers the convenience of hands-free audio with Bluetooth® wireless technology.

With a high-performance rechargeable lithium battery and foldable design - including a 360 degree whole-hide microphone| you can easily fold your headset and go long distances. A charge of a mere 2.5 hours ensures you 12 hours of listening to music or 15 hours of calls.

Spefication

• Part number     0C53113
• Earphone: Driver units: 2 x 40 mm
• Frequency Response: 20Hz-20KHz
• Impedance: 32&;±15% at 1KHz
• Sensitivity (SPL): 103±3dB /1mW at 1KHz
• Operating Voltage: 3.7V
• Operating Current: 20mA
• Continuous working time: 12H
• Charging time: 2H
• Input power: 10mW
• Maximum input power: 20 mW
• Transmission Distance: 10M
• Modulation: GFSK?Π/4 DQPSK| 8DPSK
• Frequency Range:2404MHz - 2483.5MHz
• Microphone: Frequency Response: 100Hz-10KHz Impedance: 2.2k±10% at 1KHz Sensitivity: -38±3dB at 1KHz 0dB=1V/PA

Dimensions

• Depth Metric     180
• Depth     180mm
• Depth Metric Units     mm
• Depth (US)     7.08in
• Height Metric     167
• Height     167mm
• Height Metric Units     mm
• Height (US)     6.57in
• Weight US     0.33
• Weight US Units     lbs
• Weight Metric     0.15
• Weight Metric Units     Kg
• Width Metric     60
• Width     60mm
• Width Metric Units     mm
• Width (US)     2.36in

In the box 

Lenovo Bluetooth Headset W870 - Warranty Card - USB cable

Warranty    

Warranty Type     1 year