时钟杯 / Clock Mug

When you are in the room, if you want to see the time, how would you do it? Went to look thewall clock at the living room ?
This is a mug with a clock function. When you need to know the time now, you just look around you this mug will be able to immediately know what time it is, without the need to find your wall clock.
The clock can shine ,even in low light where you can clearly see the time.