Description: Smart design,easy to install and use,Connect through the car CD player directly,Non-destructive installation. Control sthe music play and volume by Car radio panel or the steering wheel. Support 3.5mm AUX audio input. high quality MP3/WMA decoder, let the music more pretty. with no Signal interference,no need to install baterry. Specification: Voltage Input:12V DC Signal-to-noise: 90dB Max.current: 35MA total harmonic distortion: 0.01% requency response: 20HZ-20KHZ working temperature : -30C-80C Cable Length: Approx 145mm/ 5.71 Inch Compatible for following Alpine radios: INA-N333RS/RRS, DVA-7996R, DVA-9860R, DVA-9861Ri, DVA-9965R, CDA-7998R, CDA-9535R, CDA-9830R, CDA-9831R, CDA-9833R, CDA-9847R, CDA-9851R, CDA-9853R, CDA-9855R, CDA-9812RB, CDA-9852RR/RB, CDA-9854R, CDA-9856R, CDA-9857R, CDA-9883R, CDA-9885R, CDA-9887R, CDA-9884R, CDA-9886R, 105Ri CDA, CDA-117Ri IDA-X100 IDA-X200, IDA-X300, iDA-X301, iDA-X303, iDA-X305, IDA-X311, IDA-X313. Package Includes: 1 Piece Car Audio 3.5mm Aux-in Interface Cable Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you