Features: Razer HyperSpeed Wireless ensures you high-speed transmission, lowest click latency, and seamless frequency switching in the noisiest, data-saturated environments. As a benefit of its dual-mode design, you can also switch to its BT connection for extended battery life. Engineered with 99.4% tracking accuracy and up to 16,000 DPI RAZER Mechanical Mouse Switches designed to deliver fast and precise mouse clicks, these switches boast a durability of up to 50 million clicks. Fully configurable via Razer Synapse 3, the 6 programmable buttons let you access macros and secondary functions. Pre-set up to 5 custom DPI stages on Razer Synapse 3. 3.FAQ A.What is the form factor of the Razer Basilisk X HyperSpeed? The Razer Basilisk X HyperSpeed features an improved ergonomic form. B.Where can I find the USB Wireless dongle for the Razer Basilisk X HyperSpeed? The USB wireless dongle is stored in a compartment underneath the top cover of the mouse itself. Simply remove the cover to store or remove your USB dongle. C.Why is the top button blinking red on the Razer Basilisk X HyperSpeed? (Low Power Indicator) The Razer Basilisk X HyperSpeeds status indicator will blink red twice in repeated intervals to indicate that the battery level is less than 5%. This lighting sequence will repeat until the battery is fully drained. Once you receive this notification, it is time to replace the battery. D.How do I swap between DPI sensitivities of the Razer Basilisk X HyperSpeed? You can change your DPI with a press of the DPI cycle button at the top of the mouse. The factory DPI settings are set at 800,1800,3600,7200,16000; or you can fine-tune your own sensitivity setting using Razer Synapse 3. E.Does the Razer Basilisk X HyperSpeed have Razer Chroma RGB lighting? No, to maximize the battery life of the Razer Basilisk X HyperSpeed. It does not have the Chroma lighting feature. 4.