Brand Name:Chengde Model Number:S1000 GS1000I RS1I RS2I SR325IS Style:Ear Hook Communication:Wired Connectors:3.5mm Use:Portable Media Player Function:Noise Cancelling Place of Origin:Guangdong, China Cord Length:Dongguan Waterproof Standard:IPX-2 Active Noise-Cancellation:No Material:Protein Leather+memory Foam Package:Poly Bag Colors:Black or customized Logo:Customized Logo Welcomed Usage:replacement pads