Features: - Made of high-quality material, sturdy and anti-scratch. Easy to install and use. - One-hand operation, with Hi-Fi sound quality and powerful output, suitable for most home speakers and earphones with Volume control function. - Widely applied to various tablet PC, TV, smartphone, iPhone and etc, not for Echo, Alex. Specifications: Color: Black Material: aluminum alloy Size: about 12.5 x 9 x 4cm Input Voltage: DC 12V Channel: 2CH Load Impedance: 4-16Ω Signal to Noise Ratio: 90 dB Frequency: 20Hz - 20KHz Distortion Rate: 0.01% Channel:2 Channels RMS Power: 20W+20W .
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