30-pin music docking station adds Bluetooth. Plug and play, no more operations, save your old dock, enjoy music wirelessly. Support any version of for iOS and Andriod devices.The transmission distance can reach 10m. Wireless Bluetooth connection reduces cable clutter around the docking stationThe biggest advantage of the receiver is to restore the sound quality of your own sound, do not change the sound qualityPlay your favorite songs on your device via wireless Bluetooth connectionSimple operation, insert the base-type audio (or base connection audio cable), ordinary speakers instantly change Blue speakers.Colour:blackMaterial:ABSSize:48 x 46 x 1cmPackage Contents:1 * 30-pin Bluetooth adapterOnly the above package content, other products are not included.Note: Light 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.