3.5mm jacks, Phone Jacks, Earphone Jacks, headphone jacks, mobile phone connectors, mini jacks, miniature jacks, 3.5 miniature jacks, 3.5mm miniature jacks, Kunming Jack, 2, 3 Poles (Mono, Stereo) with Switch, Horizontal DIP Type, Lead Free Jack, Pb Free Jack, RoHS Compliance.