Design of USB hub with clock and mood light is blend of functionality and simplicity idea Multifunction USB hub featured in 7-color mood light Turn mood light to automatically on It illuminates 7 soft colors circularly You can also use it as desk alarm clock Time display with back light High speed USB 2.0 port x 4 Compatible with USB 1.0 and 2.0 Plug-and-play Date, clock, and alarm Clock: 24 hours format Auto/manual 7-color changing mood light Color changing mood light to make home or office dynamic Power: USB or 5V DC adapter (not included) for mood light and one button cell battery L1154 for clock display (included) Internal over current protection circuits Color: silver body, gray bottom with auto/manual color changing LED Weight: 125g Size: 7.8 x 7.8 x 2.8cm Cable length: 72cm