Likii White Noise Machine - Sound Machine for Baby Sleeping & Relaxing, 36 Nature/Fan/White Noise Sounds, Sleep Timer & Memory, Sound Therapy Machine for Home, Child

●  Operating Instructions  1. Press and hold the Power Button to turn on the device. 2. This device will record the last sound and timing shutdown time you made when you turn it on. This way you can easily switch back and forth between your favorite sound. 3. It will play the sound in Seamless Loop mode.  4. Timing Shutdown sets the device to play for 30, 60, 90 minutes and then gradually enter sleep mode with no sound output. Press any button to continue playing when entering sleep mode. At this time, the device still keeps the previous sound and timing sleep setting. 5.Over-voltage Protection: When external DC power exceeds 5.5V, it will active over-voltage protect to protect the device.  ● Product parameters  1. Output Power: 5W 2. Adapter: 5V/ 1A  3. Speaker Spec: 66mm 2 ohm 5W 4. Frequency response: 30HZ - 20KHZ 5. THD: ≦0.45% 6.SNR：≧96dB 7. Product Size: D111mm *H 59mm