?Dual USB Charging: Equipped with 2 usb charging ports,you can charge your phone,pad and other devices.The backup memory battery(included) can stores time when power faliure.Tips:The clock is not powered by batteries,it's powered by USB ,AC power. The battery is just for memory time and alarm. ?Big Snooze Function: The big snooze button on the top, make you won't press it wrong, even you may not wake. You can set the snooze time 5~60min based on your needs. ?Large Display& Bedroom Decor: The mirror clock design is really in fashion,you could use it as a portable mirror. The 7-inch screen size is perfect for bedrooms,kitchen,office, living room.It even could sit on the table as a decoration. ?Easy Operation: The Miowachi digital clock setting is very easy, the instructions are very well to understand, if you have questions, The customer service staff was very professional and quick. ?Dimmable Brightness: The LED clock has 3 level brightness for different occasions, and the darkest light(L0) is dim enough for you to sleep at a dark envoironment, will not interfere your sleep.The light could be adjusted by manual or auto.