Specification:

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.Output:RMS 2.5W +2.5W

.S/N Ratio: 65dB Isolated

.Rate: 45dB

.Impedance: 4 ohms

.Power:USB 5V

.Speaker Unit: 2W *2

.Accompany speaker for PC,MP3 and notebook

.Mellow and clear timbre

.Built-in-active amplifier

.Pure and elegant sound quality with unsurpassed effect

.In compliance with acoustics and aestetics rationale

.Flexible sound with distinct tone levels