Sound Oasis Travel is a unique sound therapy product that combines high performance digital sounds with a full-featured travel/alarm clock. Incorporating 18 digitally recorded sounds, an exclusive jet-lag reduction sound and a voice memo feature, Sound Oasis Travel allows users to drift off to sleep with soothing nature sounds and wake up to any sound or a buzzer alarm. Its compact size allows the unit to comfortably slip into briefcases, carry-on luggage and even one�s jacket pocket. Sound Oasis Travel incorporates a multi-position timer (with 4 selections: continuous, 30, 60, and 90 minutes), a unique "gradual off" volume reduction feature for a peaceful decrease in sound volume, a rotary on/off volume control, rich omnidirectional sound, headphone jack and a one-touch off/resume button that stops the unit or repeats your last played sequence. Sound Oasis can be powered by 4 "AA" batteries (not included), or by the included multi-plug, worldwide use AC adapter.