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· Specification: · Output: 3.7W
· Rating Power: 2W
· Weight: 239g
· Size: 63W×63L×65H (mm)
· Speaker: 36mm micro Speaker, 4 Ohm
· Frequency Response: 100Hz-20 kHz
· Signal-to-Noise:?85dB
· Distortion:?0.5%
· Battery Voltage: 3.7V
· Battery Capacity: 300MAH
· Battery Charging Voltage: .2V?/?0.05V
· Charge Time: USB?4Hours
