Fangrui Product Details Features: 1.hyperspeed Wireless Receiver To Achieve 4000 Hz Polling Rate, It Offers Up To 4 Times Faster Data Transfer Speed Than Standard 1000 Hz Polling Rate 2.through The 4k Wireless Receiver, The Mouse Report Rate Can Be Increased To 4000hz At The Highest.supports 4000/2000/1000hz Polling Rate, With A Minimized Latency Of 0.25/0.5/1ms 3.the Battery Level Indicator At The Top Of Receiver Displays Different Colors Depending On The Amount Of Power Remaining,take Charge Of For Uninterrupted Gaming 4.easy Pairing, Through Pnp Technology, After Pairing Once, It Can Be Plug-and-play With The Corresponding Mouse On Other Computers Without The Need For A Permanent Hub. 5.note: The Receiver Is Only For Dragonfly F1profor Dragonfly F1pro Max Product Parameters: Suitable Model: Dragonfly F1pro/f1promax By Using The Dragonfly 4k Wireless Receiver, The Maximum Mouse Return Rate Can Be Increased To 4000hz. Under Extreme Performance, The Data Transmission Speed Can Reach Four Times That Of Traditional Solutions, Wi