Sleep Timer & USB Port: When the white noise or bluetooth turn on, the sleep timer offers 10-120 min to count down. Besides, a built-in USB charging port on the back side conveniently lets you charge other devices at your bedside, like a smartwatch or wireless earbuds. Dimmable Brightness: Display brightness is a headache for those who have trouble falling asleep or getting back to sleep in the early hours. The 1.4" LED digital alarm clock offers adjustable brightness from 0 to 100%. Pick your preference, neither too bright nor too dim. Smart Alarm Clock: It can auto-sync the phone's time via Bluetooth, and there is a 12/24H format setting to choose. 5 alarm ringtones(beep,rain,bell,birds,lullaby) wake you up, and 9 mins snooze for choice. Battery backup memorize clock setting during power outage. Wireless Charger: With charging station at the top, our bedside alarm clock supports 5W, 7.5W, and 10W wireless charging, compatible with phones, like iPhone, Samsung Galaxy, Google Nexus. Its silicone pad can position your phone to prevent sliding. Bluetooth Speaker: Bluetooth 5.0 provides a fast and stable connection, and enables wirelessly streaming high-quality sounds from smartphones or tablets. The speaker with adjustable volume is clear, loud and crisp. Sound Machine: Crafted with a wooden chamber design for enhanced acoustics, making 20 soothing sounds: 10 natural sounds(ocean, lullaby, waves, rain, thunderstorm, brook, forg, bird, summer night, campfire), 5 fan sounds and 5 white noise sounds.