When you have to give presentation to somebody suddenly, or want to do it more willingly, and want to surprise somebody, this iPhone case becomes your strong fellow.
Gadget shop Thanko released available iPhone case as a projector. As for the conventional projectors, setting and the wiring of cables are troublesome. However, you only put iPhone in this case, and the big screen can reflect a picture anywhere. Because the thickness of this is only 2.6cm, and weight is 195g, you can pocket this.
This incorporates battery, and the consecutive use of one hour 40 minutes is possible in a charge time of 5 hours. Furthermore, you can use this as mobile battery, USB memory and card reader. You have the output from a PC via HDMI, too and can be connected to the external speaker in an outside audio line out. Its ability for projection of the brightness is 80 lumen, the resolution is WVGA (854*480 dots), the contrast ratio is 2,000:1, and it cope with the projection to up to 120 inches. The price is 39,800 yen (tax-included).