19 MMO optimized programmable buttons 12-button mechanical thumb grid Tilt-click scroll wheel 8200dpi 4G laser sensor Wireless gaming-grade technology Charging dock Chroma lighting with 16.8 million customizable color options Razer Synapse enabled 1000Hz Ultrapolling Up to 200 inches per second/50g acceleration Zero-acoustic Ultraslick mouse feet 7 foot/2.1m braided fiber USB charging cable Approximate size: Length: 119mm/4.68 Width: 75mm/2.95 Height: 43mm/1.69 Approximate weight: 150g/0.33lbs Battery life: Approximately 20hrs (continuous gaming) The life expectancy of this battery depends upon its usage