GOgroove LED Alarm Clock Speaker with AUX-in, USB or SD Card Port & Powerful 6-Watt Sound - Works with Smartphones, Tablets, MP3 Players & More Multimedia Devices LARGE and BRIGHT 7.5-inch LED face with 12/24 hour display for Date & Time. SNOOZE and SLEEP timer & single alarm with settings for waking up to BUZZER , RADIO or your connected audio device Plays music from FM radio with metal antenna (20 FM station presets) ; 3.5 mm AUX-in for use with audio players , smartphone and tablets. Connect your flash drive to play mp3 files AC Adapter or (4x)AA battery power options for at home or on-the-go use (AA batteries not included); Clock Memory is powered by the included AG13 button batteries Additional Features: Power Save Mode makes the LED display Touch and Clap activated. Display turns off after 10 seconds. Sleep Timer sets a timer for audio to go silent Technical Specifications: Speaker output: 6W RMS (3W x 2); 12W Peak ; Power input: AC 100  240; DC 6V ; FM radio frequency: 87-108MHz ; Dimensions: 8.8 x 5.3 x 4.9 inches ; Weight: 2.3 pounds