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Mainland China Model US-01 from Nansin (HK) Ltd is a 2-channel portable speaker that is coated with rubber or UV paint, and is available in various colors, including red, blue and gray. It has two 2in full-range speaker units that have 4ohm impedance and provide 2x3W RMS power ouput. It connects to laptops via USB.
The unit has 100 to 18kHz frequency response and about 80dB S/N ratio. It comes with LED light ring, power on/off button and volume control. It requires 5V USB power. It measures 90x90x90mm.
Thirty sets are packed in 605x485x482mm cartons and shipped in TEU containing 6,150 sets, FEU with 12,300 sets and FEU HQ with 15,000 sets.
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