HELPS SETTLE-IN & STAY ASLEEP- Moms know how precious sleep can be. Turn it on to create peaceful sleep environment to help crying baby calm down and stay asleep. Choose from selected 21 soothing sounds including classic white noise sounds, to baby lullabies and nature sounds. Fall asleep easier and stay asleep longer with this baby sound machine.COMPACT BUT POWERFUL- D11 Max has more skills. Designed for all things sleep, this sound machine comes with favorable features: rechargeable battery, 21 soothing sounds, customized timers, various volume levels, child-lock for safety, and even memory functions! It is not only a sleep soother sound machine for baby kids, but also an effective white noise machine for adults sleeping & relaxation.ULTRA PORTABLE AND CORDLESS - D11 Max make magic happen for better sleep anywhere. Small and lightweight makes it a perfect travel noise machine. It is extremely convenient when you are packing around so much stuff whether for a baby or for your travel. With a lanyard and loop, you can easily hang it on the stroller or car seat or suitcase. Take it along in the car, on walks, hotel stays, business trips to enjoy portable freedom.HUGE BATTERY, WORRY-FREE ON THE GO- Everything D11 max has, PLUS a LONG-LASTING battery. The portable sound machine is built with unbeatable1800mAh battery compared with 500mAh of others. Easily lasts through the night and into daytime naps on a single charge. For parents who are worried about baby getting naps on the go and especially when the power goes out, it is definitely a life saver! Battery is built in (comes with a USB-C cord to charge) so no need to worry about buying any.HAPPY EXPERIENCE, CUSTOMERS TURN BACK- has been the standard in white noise sound machine. Neutral look makes it fit into any room dcor and works with aesthetic very well. D11 Max is the fancy gift choice with unbeatable quality for babies and also for adults who struggles to switch off or wind down after a long hard day. High-quality customer service saves you worry and brings your smile back on face.