Pinglo Projection Wireless Virtual Laser Laptop-size Laptop Keyboard Compatible with Desktop, Laptop, Tablet, iPad, Mac  (Black)

Specifications for laser keyboard: Laser light source, red The keyboard layout key from about 19 mm, qwerty layout Y The keyboard size width: 240 mm, height: 100 mm Keyboard position device of about 80 mm No more tailings, projection, not transparent, no reflection plane Don't rate of more than 350 words per minute Any solid surface plane Charging power supply USB power/less than 5 v, 500 ma Battery capacity lithium-ion polymer battery, 600 mah (MA X) @ 3.7 V Battery life of about 150 minutes Battery charging time of about 90 minutes Bluetooth V3.0, HID Profile Ver 1.0 2402-2480 MHZ frequency range Passage 79 Modulation formats GFSK Size (mm) x 78 mm x 40 mm to 20 mm Weight (g) 60 g Silver + black color