Can not plug my player in the dock of Philips device

For the iPod dock 8 dock adaptors of different type, as indicated at the back of the adaptor, are included to fit the following iPod: 20GB, 40GB, 20/30GB Photo, 40/60GB Photo, 30GB Video, 60GB Video, Mini and Nano. For the Philips GoGear dock 3 dock adaptors of different type are included. Each adaptor is marked a number from 1 to 3 at its back. These numbers indicate the fit Philips GoGear players as follows: 1. HDD6320/6330 2. HDD1420/1620/1630/1635/1820/ 1830/1835 3. HDD1840/1850