The Fantech HELIOS II PRO (model XD3V3) is an ultra-lightweight, high-performance wireless gaming mouse engineered for competitive gaming. Featuring true 4K (4000 Hz) wireless polling, a PixArt 3395 optical sensor, TTC Gold optical switches, tri-mode connectivity (USB-C wired, 2.4 GHz StrikeSpeed+, and Bluetooth), and a compact ambidextrous shape favored by esports pros, it delivers precision, responsiveness, and comfort in every move.
| Sensor | PixArt 3395 Optical | 
| DPI Range | 400 – 26,000 | 
| Polling Rate | Up to 4,000 Hz (wireless) | 
| Weight | 55 g (goes down to ~53 g with dot skates) | 
| Switches | TTC Gold Optical, 100M click lifespan | 
| Connectivity | USB-C wired, 2.4 GHz StrikeSpeed+, Bluetooth | 
| Tri-Mode MCU | Nordic 52833 ARM Cortex | 
| Buttons | 6 programmable | 
| Warranty Terms: | 1-Year Warranty Provided by 101 Multimedia | 
| Brand | |
|---|---|
| Mouse / Keyboard | Gaming | 
| Connectivity | Wired, Wireless – 2.4ghz |