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USB interface, No external power supply needed.,Offers excellent sound quality with any plug-in and play enabled computer device. Flexible neck to adjust your convenient direction for talking. The effective distance of more than 2 meters, Bid farewell to the traditional 3.5-pin wheat effective distance 0.5meter-1meter limitations.
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It adopts one-time filling and injection molding, Which is firm and beautiful. A USB A-type interface for easy connection to a PC, 2.0 standard, Full speed, High speed, Backward compatible. A printer IEEE1284 standard DB25 parallel port interface is convenient to connect the corresponding equipment, Rust-proof, Corrosion-resistant, Giving a golden and noble vision, IEEE1284 standard, Focusing on print quality, Transmission speed reaches 12 Mbps.