This upgraded travel digital alarm clock(10.8 x 9.4 x 3.1cm) is and lightweight, which is easy to carry. It is a perfect for travel. The small travel clock is by USB, built-in 600ma lithium battery, fully in 1-2 hours, can be used routinely for 3-4 (in power-saving mode). Long standby time, no need to charge frequently. Default voice-activated power saving mode (in order to save power), screen always on when charging, screen automatically turns off after 20S when battery powered, tapping or touching, or making a sound can wake up the screen. Portable electronic alarm clock has 3 levels of brightness adjustment, 3 levels of volume adjustment; can be switched with one key, press and hold the top button for 3 seconds to switch , convenient to save power when you are out, then turn on the time to go normally, with time memory function. This small digital clock has 2 sets of alarms, which are set independently without interfering with each other. The default snooze time is 5 minutes, so you can have enough and comfortable sleep. There are to install it, you can the alarm clock on feet (stand), hang it (hanging hole on the back), magnetise it (magnet on the back); it is a great alarm clock, and easy to carry, a great gift for and relatives. color:White :ABS Package Contents: 1 x Alarm clock 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.