Universal 2.4G Wireless Air Mouse Keyboard Remote Control For PC Android TV Box Package includes: 1 X Universal Remote Control (not including the battery) (No retail package) 1 X USB Receiver Feature: brand new and high quality. Analog cursor which makes your positioning click more precise. 2.4G transmission up to 10m. Plug and play, and free from installing driver. Specially designed for Android system to realize human-computer interactions comprehensively. Applicable to: Smart TV, Android TV box, mini PC, HTPC. Supports System: Linux, Android 2.x, Android 4.x, Win 2000, Win vista, Win7 32, Win7 64, Win8 32, Win8 64, MAC OS X. Please Note: This version does not support voice capabilities. Instructions : The usb receiver into the computer usb interface. Wait for the computer to automatically download and install a good driver to use. Specifications: Product Name: Universal Remote Control Material: Plastic + Silicone Color: Black Size: 1353714.7mm/5.311.460.58in (Approx.) Power Supply: 2 x AAA batteries (not included) nterface: USB 2.0 Bluetooth Version: No Wireless or Wired: 2.4G Wireless Back-lit: No Operation Distance: 10m Key Force: Soft Quantity: 1 Set (other accessories demo in the picture is not included) Note : 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!