Polymer battery,
3.7V, Capacity: 180 mAh,
Input: 5V; Work
Current: 40-60 mA; Sensitivity:
100±3dB
at 2kHz; Frequency Response: 20Hz
20 KHz; Transmission
range: 10M (approx. 30
feet); WirelessV
4.2 Playback time: approx. 2.5
hours, depending
on usage. Must be charged
prior to first
use. Charge time varies by device.
Minimum 2 hours.
Instructions and charging
cable included.
FCC Approved. This item
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