Product Name: Blue USB Headset Cord with Rj11 Connection Model NO.: C80 Jack Type: USB Jack Diameter: USB Function: Multimedia, Microphone Usage: Computer Communication: Wired Type: Electret Earphone Color: Black Wire Material: PVC Trademark: Mitechnic Origin: China HS Code: 85183000 Product Description USB Headsetdetachable Cable USB detachable cable is used in the headset with RJ11 connector. It is very easy to maintain for the users. The RJ11 connector has very good quality, it can not be destroyed normally. Specification .With Stereo mix optionChipset:CM6206Cord Length: 2.0meterConnector: USB plugWeight: 0.06gDoes not have radio electronic and high frequency units insideWarrantyTwo year limited warranty. Warranty will not apply if the product has been tampered with, disassembled or damaged by misuse, accident, modification or unauthorized repair.