Rii Mini i13 4-in-1 Wireless Multimedia Air Fly Mouse Keyboard, IR TV Remote Control and Audio Chat, Black

Function parameters (wireless keyboard and air mouse): Frequency range: 2401-2480 mhz operational range: Up to 10 meters transmit power: +4 db max. Operation voltage: 3.3v operation current: < 50 ma charging current: < 300 ma sleep current: < 50Îa. Function parameters (ir remote): Rated voltage: Dc 3v. Voltage range: 2.3v to 3.6v. Operation current: <20 ma. Sleep current: <2Îa. Applicable equipment list: Hid compatible device usb port windows 2000 windows xp windows vista, windows ce, windows 7 linux (debian-3.1, redhat-9.0 ubuntu-8.10 fedora-7.0 tested) android os (with standard usb interface) hd player, tv set set-top box, dvd/vcd/cd equipment. Air conditioning remote control. Appendix technical parameters specification: Dimensions keyboard: 156*49.5*10 mm. Dimensions rf receiver: 19 x 14.3 x 6.15 mm. Weight: 74g. Ambient temperature: 0„ƒ - +70„ƒ. Storage temperature: -65„ƒ - +150„ƒ. Operational range: Up to 8 meters. Low-voltage (2.5v) condition's infrared emission. Distance: >6m. Package contents: Multifunction keyboard usb wireless receiver user manual usb charge cable.