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. Sunrise Wake Up: LED lights get brighter and brighter before the 15 minutes of the custom wake-up time, just like the sunrise, the white noise sleep speaker can wake you up gently with a ringtone wake-up call and sunrise when the alarm rings, and the sleepy wake-up function makes it easier for you to get up and have more energy. Soothing voice: White noise sleep sound machine has 13 high-quality soothing sounds, such as alpha waves, white noise, wood noise, fan noise, train noise, heartbeat , the cradle, the spring river song, the drops of water, the summer insects, the waves, the 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. 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.