Description: Features: 100% brand new and high quality. Convert your cellphone Micro USB audio output to 3.5mm output. Sync 3.5mm female AUX audio jack to micro USB 5pin male. Allows connection of regular (3.5mm) stereo headsets to your phone for music enjoyment or voice calls. Applicable models: Nokia 3110 3110C 5200 5300 5610XM 5700 6110 6110n 6120 6120c 6290 6300 6500s 7390 7500 E51 E62 E90 and other mobile phones. Micro B 5-Pin male to 3-pole 3.5mm female jack audio cable can be for car AUX system. Please make sure your devices can line out voice via Micro USB jack. Micro USB jack is to connect your car, 3.5mm audio jack is to connect your phone or Mp3, Mp4, Tablet PC, etc. Please note: it works for many micro-USB devices, but some devices may not compatible. Specifications: Item Type: Micro USB B Male To 3.5mm Female Adapter Cord Material: PVC + Metal (Gold plating) Color: Black Length: 11cm (approx.) Connector A: 3-pole 3.5mm Female Connector B: Micro USB B 5 Pin Male Function: Use for vehicle navigation and vehicular audio. Quantity: 1 PC (other accessories in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 X Micro USB B Male To 3.5mm Female Adapter Cord (No retail package)