Working
  Laser keyboard works very easily than normal keyboard. Normal keyboard takes up a lot of space but the laser keyboard takes less space, it is very easy to carry anywhere you want. The size of laser keyboard is just below  in the picture  Two projections onto the flat surface in front of the projector  Red holographic laser projection A few mm above the red projection is an invisible infrared (IR) Projection When you press a key, the IR projection above the key is bounced back into the projector  Front view There is a sensor and keyboard pattern at the top. There is IR(infrared) light at the bottom. There is also  Blue light:  Bluetooth connection status indication  Red light:   Charging indicator  Side view There is a key ring strap at the top, there is also power switch next to the key ring strap. There is also Micro USB Connection for charging.