Usage Tips:Extra Loud Alarm Clock With Wireless Bed Shaker,vibrating Dual Alarm Clock For Heavy Sleepers, Deaf[ The Wireless Bed Shaker ] - Is the cable of the wired vibrating alarm clock on the market are either too short or too much hassle? Now, provides you a powerful wireless vibrating alarm clock, it can easily wake you up in any corner within 32 feet, No wire, No hassle![ Very Loud Speaker Wake You up ] - Easy wake by extra-loud sound,super bed shaker or sound & shaker, it is an perfect wake-up companion even if you are a heavy sleeper. Two levels of volume option: loud or normal beep sound.[ Ultra-Large 1.8 Inch Digits & 0-100 Dimming ] - Elegant 5.5 Inch LED Curved-Screen makes it easy for you to see the bright red number from anywhere of the room. Adjustable brightness levels between 0-100 for comfortable viewing.[ Dual Alarm & USB Charging Port ] - Features with dual alarm, you can set two different alarms on the same day. This Bedside clock also comes with smart USB charger port to conveniently charge your phone or other digital devices.[Easy To Use]-The top round buttons are big enough and simple to use, the vibrator adapts to 3*AAA batteries (not included).Colour: blackMaterial: plasticPackage Contents:1 * Alarm clock1 * Vibrator1 * USB cable1 * English manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.