Feature: - Play portable for CD, MP3, or DVD players through your existing car cassette deck with this convenient car cassette adaptor. - Delivers sound through your car stereo system. - Can connect t more→o any other audio devices with standard 3.5mm audio socket. Jack Size: 3.5mm Sensitivity: 0.25mv-50mv Color: Black Material: Electronic Components, Metal, Plastic Product Dimensions(L x W x D): 100 x 62 x 12mm Package Include: 1pc x Car Audio Cassette Tape Adapter Note: 1. Because the different measurement methods or fabric elasticity and other issues, so there may be 0.1-0.5 inch error.