Bluetooth Speakers: Sound Machine/Bluetooth White Noise Sleep built-in Bluetooth speaker, you can enjoy your favorite music when connected to your phone or other device. Wake up to sunrise: LED lights become brighter and brighter before the 15 minutes of the personalized wake-up time, just like the sunrise, the white noise sleep speaker can gently wake you up with an alarm clock sound and sunrise when the alarm sounds, and the sleep wake-up function makes it easier for you to get up and have more energy. A soothing voice: The white noise of the sleep sound machine has 13 high quality soothing sounds, such as alpha waves, white noise, wood noise, fan noise, train noise, heartbeat, cradle, river song spring, water drops, summer insects, waves, thunder and. Rain, etc. to help children and adults relax or fall asleep. Touch Sensor Adjustable Night Light: The adjustable night light switches between 10% and 100% by touch sensor, giving you many different brightness levels. The 3000K warm, soft white lighting is also super comfortable for your eyes. FCC, CE and RoHS certification, safe and reliable use. If you have any questions about sleep aids, please do not hesitate to contact us. We will do our best to help you! Portable Travel Companion & amp: This white noise speaker allows you to block noise when traveling, home, office, vacation, business trip, can effectively ensure your sleep quality.