The fashionable earphone is a cute model: 1) many color 2) CE and RoHS 3) voice control with MIC, MIC is on shell 4) OEM service Speaker size: 10mm Sensitivity: 108dB+3dB Impedance: 32¦¸ Frequency response: 10-23,000Hz Cable: 1.2m Plug size: 3.5mm. 1) This model is designed for computer, MP3, CD/DVD, walkman specially. 2) The plug size is 3.5mm. But if you need 2.5mm, we can change it for you. 3) We use high quality material to manufacture it. Our products qualified CE and RoHS. 4) The max output power is 30mW. 5) The cable length is 2M. If you need longer or shorter, we can redesign it for you. 6) Our OEM order MOQ is 3000pcs. If less than 3000pcs, you can do our brand: Sonun. 7)There are many color available. "Package:blister&card Quantity: 120 pcs G.W. : 9.00 kg Cubage: 0.082cbm Carton Size: 48.2*47.5*36cm".