1. 28 Soothing Sounds: 28 suitable for sleep can effectively noises that may disturb or distract, thus improving sleep and soothing mood. 2. Sleep Aid: Add these rhythmic sounds to your baby's sleep routine to help them fall asleep faster and sleep longer. 3. Volume Control: Sound machine with auto off timer and volume control, timer with 3 options: 15, 30 or 60 minutes, using the convenient volume control buttons adjust volume. 4. Portable Design: Sound machine is and compact, which can easily fit in your bag or suitcase, bringing you a convenient use experience. 5. Easy Using: Equipped with a convenient USB cable for charging and a simple interface for easy use and one handed operation. Item Type: Noise Machine Built in 28 audio sources Battery: Lithium battery 1200mah (inclusive) Timing Setting: 15-30-60 minutes three gear timing Night Light Function: Warm tone night light Colour:As Shown Material:plastic Package Contents: 1 x Noise Machine 1 x USB Data Cable(Due to different product batches, the appearance , which does not affect the use) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.