Rii i28 2.4GHz Wireless Backlit Keyboard Touchpad Fly Air Mouse With Earphone Jack For PC TV Box<br>Why Choose rii i28 mini wireless keyboard?<br>Elegance apperance design make you feel comfortable.Touchpad&amp;amp;keyboard&amp;amp;fly mouse combo. Make you operation become so easy and comfortableFly mouse brings you a amazing remote control experience!Built-in microphone，speaker make the switch between your device and your earphone possible via jus the keyboard&amp;amp;mouse&amp;amp;touchpad combo.With backlit LED，make you easy to use the keyboard in dark.<br>Features:<br>70 Keys QWERTY 2.4G Wireless KeyboardMini Keyboard+Air Mouse+Touchpad+Speaker+Earphone jack+Backlit (27LED)TPU Keys+PC Shell2.4G Wireless Receiver， Plug-and-PlayWith 300mA Rechargeable Lithium-ion BatteryOperating Distance: 10mMultifunction Handheld Keypad<br>Specification: <br>          Model       Rii i28           Receiver(dongle)       Nano style           Connect port       With USB 2.0 above           Processor(MCU)       Sonix Serials           Transmit mode       2.4GHz wireless， up to 10 meters           Transmit Power       Less than +4db           Power supply       Rechargeable polymer Lithium-ion battery           Charging voltage       4.4V ~ 5.25V           Charging current       300mA           Sleeping Current class1       86uA           Operation Voltage       3.7V           Operating Current       &amp;lt;60mA;When backlit LED is on:100mA           Product weight       130g           Product Size       146.8mm*102mm*20mm           Color       Black   <br>Support systems:<br>Windows 2000Windows XPWindows Vista， Windows CE， Windows 7， Windows 8Linux (Debian-3.1， Redhat-9.0， Ubuntu-8.10， Fedora-7.0 tested)Android OS (With standard USB interface)<br>Package Included: <br>1 x Rii i28 Air Mouse Keyboard1 x USB Wireless Receiver1 x USB charging cable1 x User Manual<br>Detail Pictures: