VOICE CONTROL FUNCTION: Power-saving mode.  Press the Down button and choose oN: Sd for Sound control mode (Power-saving mode), the screen will turn off after 10 seconds.  You can light up the screen by clapping your hands (any sound louder than 60dbm) or by tapping the clock DIGITAL ALRAM CLOCK: A multi-function digital alarm clock that displays time, date, temperature and humidity with bright and clear LED lights Displays time in both 12h/24h format, and shows indoor humidity and temperature in both Celsius and Fahrenheit Up to 3 alarms in a few-minute intervals to replace the snooze function, select different alarm types between daily alarm and weekday alarm, each alarm rings for 1 minute QI WIRELESS CHARGING: Simply place your phone on top of the clock and itd start charging automatically. Charging occurs only when powered by USB cable, not chargeable when powered by batteries Please note phones with a support ring on the back will not be fully charged, please remove support ring for charging ELEGANT & MODERN DESIGN: Designed for simplicity and elegance. Made with premium quality black MDF (medium density fiberboard) material, and adjustable LED backlight display (3 levels of brightness), this wooden alarm clock can perfectly fit in any modern designed furniture. Portable and compact design DUAL POWER SUPPLY: Works mainly on plugged in cable power or backed up by 4AAA batteries (NOT included)