ORGANIZE / Charge any 3 portable media devices including phones, all at the same time, in one location. CHARGE / SCD (Smart Current Detection) adjusts the current flow to ensure proper charging to each device. PLAY / Display and listen to one device on Dok"s sound system while charging. UNIVERSAL / Compatible with any smart device. SPEAKER SYSTEM / Plays a device through its speaker while charging. CLOCK RADIO / Wake up to FM stereo alarm clock radio. Compatible cradle for Smart phones and MP3 players Holds up to 3 devices while charging in cradles High Quality Speaker System to Play Smart Devices Surge protection built-in Tidy-Cable organizer feature Time, Alarm, Sleep functions Battery backup for power outages 4W output power AC 110V/50Hz~AC 240V/60Hz AC Power (UL Approved)