Wireless Dual Bluetooth 5.1 & RF connection (Bluetooth receiver not included, Nano sized RF receiver included) Upto 10M of wireless freedom Silver and matt white case to match your iMac / Macbook and perfectly colour matching our Accuratus 301 Mac keyboard range. (Black with gloss black also available MOU-M100-BTRF-BK) Multi Device pairing, with 2 Bluetooth devices and 1 RF device (eg. PC, Tablet, Phone) Fast hot swapping between paired Bluetooth & RF devices (when holding the DPI button for 3 seconds) Powered using 1 x AA battery (not supplied) Automatic sleep mode after 8 minutes of non use to save on battery life Designed to work with MAC, Windows & Other Bluetooth or USB enabled devices (supporting the USB RF receiver) Full size contoured design, engineered to fit perfectly in your hand Ambidextrous layout, perfect for right or left handed use High resolution optical tracking technology with 800dpi Tactile left and right mouse buttons, with excellent feedback and over 1 million lif