Category: 2.5mm Miniature Jack (Mini Jack, Mobil Phone Connector, Headphone Jack, Earphone Jack, Audio Jack, Video Jack, AV Connector, Phono Jack.) (2 ~ 4 Poles, Mono Jack, Stereo Jack, SMD or DIP Type, with or without Switch, Lead free products, RoHS Compliant parts.) Application to: Cellular Phone, Mobile Phone, Smart Phone, PDA, Portable Communication & Consumer products, Digital Camera (DSC), Video Camera Recorder (Handy CAM, VCR), Media Player, MP3, MP4, Car Audio, Note Book … etc.