Gentle wake up light illuminates 15 or 30 minutes before alarm tim (ON/OFF option). Slow color-changing LED mood light (ON/OFF.) Blue, Green, Purple, White, Red and Orange. Nature sounds: birds, forest, ocean, and rainfall. Wake up with nature sound or standard buzzer. Provides excellent noise-masking capabilities and a soft background sound. Dual alarm with adjustable snooze. AUX (line-in) jack for playing an external MP3 player or mobile device