These shutter shades are usb rechargeable with a battery life of 12 hours. They have 9 different design patterns which can be changed with a simple click of a button.
Mode 1 : Heart Eyes
Mode 2 : Broken Heart
Mode 3 : Fireworks (My favorite design)
Mode 4 : Money eyes
Mode 5 : Kissing fish
Mode 6 : Skull
Mode 7 : Full screen illumination
Mode 8 : L.e.d waves
Mode 9 : A cycle of all other modes.