20 PCS Electronic Accessories: 10 x IC Timer & 10 x 3.5mm Male Audio JackModel: NE555PSupply Voltage Max: 18VSupply Current Max: 15AFrequency: 0.5GHzColour: As Shown3.5mm Male Audio Jack: Product Name: 3.5mm Audio Jack;Type: 3.5mm Male Stereo Double TrackTotal Length: 25 x 6mm / 0.98 x 0.24 (H x D);Material: MetalYou can use this 3.5mm 3 Pole headphone Audio, Video Soldering Jack to make any 3.5mm 3 pole connector cable by yourself , then you can repair your Favorite headphones.IC Timer: Mounting Type: SMD/SMTThe NE555 monolithic timing circuit is a highly stable controller capable of producing accurate time delays or oscillation.The IC timer is precisely controlled by one external resistor and capacitor.Operating Temperature Range: 0Celsius ~ +70CelsiusTotal Size: Approx. 5 x 4 x 1 mmPin Length: Approx. 1 mmPitch: Approx. 1 mmMaterial: Plastic + metalPackage Contents:10 x IC Timer10 x 3.5mm Male Audio JackOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.