Product Features:

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Battery capacity: 400 mAh

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Stand-alone size: 27.7 * 8 * 10cm

Charging method: MINIUSB 5V ± 0.5V

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Charging time: Depending on the input power is different, usually 1-3 hours

Speaker power: 40mm 4Ω 3W

Frequency response: 100Hz-18KHz

Signal to noise ratio:u0026gt; = 80dB

Distortion: u0026lt;= 0.3%

Standard configuration: audio audio charging combo instructions