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Technical Specification
Dimension ： 55mm × 44mm (closed resonator)
Net Weight ： 83g
Speaker ： Magnetically Shielded 40mm (4Ω)
Loudspeaker Output ： 2W
Frequency Response ： 100 Hz-20 kHz
Signal-to-Noise ： ≥80dB
Distortion ： ≤1.0%
Playback Time ： up to 12 hours
Battery Voltage/Capacity ： 400mAh
Battery Charging Voltage ： 4.2V±0.05V
Battery Charge Time ： 2.5 hours
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