Wireless Dual Bluetooth 5.0 & 3.0 & RF connection (Bluetooth receiver not included) Large diamater 44mm trackball for high precision and easy movement Upto 10M of wireless freedom Multi Device pairing, with 2 Bluetooth devices and 1 RF device (eg. PC, Tablet, Phone) Multi Device hot swap button for fast hot swapping between paired Bluetooth & RF devices Internal 500MaH lithium rechargeable battery offering excellent battery lifespan Low battery / charging LED Rechargeable using supplied USB-C charging cable 6 Buttons including, tactile left and right buttons, dpi speed button, ergonomically placed back and forward browser buttons and a scroll wheel The scroll wheel is ergonomically placed so that you can use your thumb to quickly navigate pages Comfortably fits in your hand, designed for right handed use High resolution 1600dpi sensor with adjustable dpi button allowing for accurate mouse tracking (200/400/800/1200/1600dpi) The Accuratus Track 910 is a wireless trackball which is ergon