... , moden art, elegant appearance, fashional design, very popular in china ans oversea, we can design as yours detailed requests....Specification of ...
language Laboratory Headset is high quality, especially used with computer, language lab headset is high quality, especially used with computer andLanguage Laboratory HeadsetMain technical indexesEarphone:1)Impedance :2×16Ω2)Sensitivity : 110±3dB3)Frequency range : 20~20000Hz4)Rated power : 2×100mWMicrophone1)Impedance : 1000Ω (200Ω dynamic)2)Sensitivity : -48±3dB3)Directivity : omnidirectional4) ...
... : 6.99KhzSignal frequency: 437KHzVisual: Lever MeterIndicator: sound : 2 Speaker or earphone(earphone not included)Disc: Ground Balance ControlsDisc Control: Ground Balance controlTune ... distinguish if it’s the sound of ferrous via the earphone. Packing: Each pieces in one inner box & 4pcs in one ...
shaped alloy jean rivet 1. Lead&nickel free 2. Novel design, stylish 3. Do not fade and rustless 1) material: alloy2) colour could be nickel, black ,golden ans so on3) Customer's design is welcomed4) Widely used for garments5) FOB shanghai or ningbo
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