1. Shell is made of Special PC/ ABS
2. Cord: 304# stainless steel armoured cord or PVC coiled Cord
3. Pierce-proof and Hi-Fi transmitter and receiver, noise cancelling microphone is available.
1. The length of the tube is flexible,standard is 900mm, the diameter of the tube :8.4mm 7.8mm 6.5mm
2. Connector can be chosen: Y-spade,RJ11,XH-pg,USB,Audio Jack, Aviation Joint, XLR Connector,ect.
3. High strength steel rope diameter can be chosen:standard is �¦1.6mm, other diameter is �¦2.0mm,�¦2.5mm
4. Handset Color: standard is black or red, other color can be customized.
5. Microphone: Electret microphone or Dynamic microphone.
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