From the ManufacturerWirelessly dock, chargeand play music from aniPod or iPhone on Sonos. The Sonos Wireless Dock (WD100) is the perfect accessory for your Sonos system. It lets you wirelessly play all the music that's stored or playing on an iPod® or iPhone®, including many streaming music apps, in all the rooms where you have Sonos. Wireless music playback on Sonos Simply dock any supported iPod or iPhone and enjoy your tunes all over the house on your Sonos system. Wirelessly play what’s stored or playing, including many streaming music apps. Play the same song from a docked iPod or iPhone in every room-perfectly synchronized. Autoplay keeps the music playing-dock your iPod and the music that’s been playing automatically continues on any selected ZonePlayer or group of Zones. Flexible music control Browse and select the music from either your docked iPod or any Sonos Controller. Quick charging dock Supports Apple's 1Amp charging specification so your iPod or iPhone are ready to go when you are. Best-in-class wireless technology SonosNet 2.0 wireless mesh network functionalityallows you to: Dock your iPod or iPhone wherever you want. Wirelessly play back the music on any or all the Sonos ZonePlayers in the house. High-fidelity digital sound The Sonos Wireless Dock sounds far better thanconventional docks. Directly accesses the digital music files on your iPod and sends them wirelessly to ZonePlayers-without ever converting to analog like most conventional docks. Preserves the sound quality from the iPod to the speaker, ensuring you get the highest fidelity sound. Works with any player, in any room Find the product that's right for you or mix and match to create the ultimate multi-room music system. Sonos Starter KitS5 + ZoneBridge Sonos S5 ZonePlayer 120 ZonePlayer 90 Where does it go? ZoneBridge attaches to your router, S5 goes anywhere Anywhere Any room with speakers Any room with existing audio equipment How does it play music? Standalone all-in-one music player Standalone all-in-one music player Attaches to your favorite pair of speakers Connects to your home theater, stereo, powered speakers, etc. What makes it special? Lets you put your S5 (5 integrated speakers & digital amps) in any room, regardless of router location 5 integrated speakers and digital amps Built-in 55W per channel digital amplifier Analog and audio digital outputs How do I connect to the Internet? With the included ZoneBridge With either a ZonePlayer or ZoneBridge (sold separately). Once connected, all additional ZonePlayers and Controllers work wirelessly. If your router isn't in a room where you want music, you can connect to the Internet with a ZoneBridge. What you need At least one SonosZonePlayerBroadband InternetWireless router What's in the box Sonos Wireless Dock (WD100)Universal Dock Adapter (1 size fits all)AC AdapterWarranty and Regulatory bookletSetup Poster Technical Specifications All digital audio The Sonos Wireless Dock directly accesses the digital music stored on your iPhone or iPod and sends it wirelessly to Sonos ZonePlayers all throughout your home. Autoplay Dock your iPod or iPhone and the music that's been playing automatically starts playing on any Sonos ZonePlayer or group of Zones. iPods and iPhones supported iPod touch (1st, 2nd, and 3rd generation)iPod classiciPod nano (3rd, 4th, and 5th generation)iPhone 4, iPhone 3GS, iPhone 3G, iPhone DC Power Supply Input 100-240 VAC, 50-60 Hz; Output 5 VDC, 2A Dimensions (H x W x D) 1.1x 3.8 x 3.2 in. (28 x 97 x 82 mm) Weight 0.34 lb (155g)