Zenergy Portable White Noise Machine

Built-in sound therapy with 12 relaxing sound modes
Integrated controls
4-7-8 Breathing coach (with voice over and without)
Calming Meditation Zen Dream Tones Ocean Storm Nature Air Focus Peace and Heartbeat
Sleep timer gradually decreases volume (90 60 30 20 10 5 and 2 minute settings)
Bass boost button enhances sound and shields from unwanted noises
Auxiliary jack enables you to play soothing music from external devices
Operates on included AC adapter or 4 AA batteries (batteries NOT included)