[10 Soothing Sounds] The baby sleep machine has 10 soothing sounds, including rain sound, heartbeat, white noise, lullaby *3, frog sound, , ocean sound, which helps block disruptive environmental noises and makes you or your baby fall asleep easier and . [Precise Volume & Timer Setting] Supports 9 levels of precise volume adjusting and 1H/2H/3H timer setting functions, you can use this white noise sound machine to built a comfortable environment baby sleeping. [7 Colors Star Night Light] The sleep sound machine is equipped with beautiful star night lights, which can give off 7 colors of soft light that 't irritate babies or disturb their sleep. [Built-in Rechargeable Battery] With built-in 250mAh battery that can be recharged by the included USB cable, the baby sound machine supports long time usage after being fully , no need to worry about power off problems. [Compact & Portable for Travel] Compact size design, and net weight is only about 58g. Comes with a lanyard, you can hang the baby sleep machine on the stroller easily and take it with you when go for a walk with baby. Battery Capacity:250mAh Charging Port:Type-C Input:DC 5V 1A Music:10 Item Size:9.2x8x3cm/3.6x3.1x1.1in Item Weight:58g/2oz Colour:Orange Material:ABS Package Contents: 1 * lanyard 1 * music sleep monitor 1 * charging cable 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.