Quick Details   type: 3.5mm 3 Pole SMT 3 Pin Audio Jack application: audio and video feature: Metal,plastic color: black Certificate: RoHS Material: plastic, copper, Alloy Connector type: Audio jack Plating: Tin, Nickel Insulation Resistance: ≥100MΩ More details: Contact usApplication: 1. Audio Products: MP3,MP4,DVD. Audio;   2. Security Products: Videophone, Monitor etc. 3. Toy: electronic toy etc. 4. Computer products: Camera, recording pen etc. 5. Fitness equipment: running machine, massage chair, timer etc. 6. Medical Equipment: sphygmomanometer, thermometer, the hospital call systemand other similar products.Packaging & Shipping: Packaging Details:1, 1000pieces per plastic bag , 1 plastic bag per inside carton , 20 inside carton per outside carton2, 1000pieces per reelShipment ways:1.Small order: DHL,FEDEX,UPS,TNT,EMS,etc. 2.Larger order: By Sea.FAQ: Q:When will you ship the goods out if i send payment now? A:Usually ,We will delivery out them 5-7 days later after payment recevied.if the PO is very big ,we need more time to produce . Q:Is your goods tested before shipping? A:Yes,we test every item at least 3 times before shipping,please do not worry about the quality problems,you can buy with confidence. Q:I am new buyer ,how can i buy from you? A:You tell us what you need ,we send you offer,if you think the offer is good,our sales send you company invoice including all details such as payment terms ect ,then we ship to you