The Sonos WD100 Wireless Dock Legacy Accessory 2010 is a 1st generation audio dock that can play AAC media formats. It features a single core processor and wireless connectivity for easy streaming. This unit comes in  white and has a storage capacity of 32 MB, making it a convenient and stylish addition to your home audio setup. Plus, with free shipping included, you can enjoy high-quality sound without the need for additional adapters.