Razer basilisk ultimate

In new condition, opened for pics, not used.
Features & details

25% Faster than competing wireless mice: Razer HyperSpeed wireless technology brings together extreme low-latency and interference reduction for true wireless freedom

3x Quicker than traditional mechanical switches: Razer Optical mouse switches uses light beam-based actuation, registering button presses at the speed of light

11 Programmable Buttons: Allows for reconfiguration and assignment of complex macro functions through Razer Synapse 3. 5 On-board Memory Profiles

Up to 100 hour battery life: An all-new, hyper-efficient sensor and wireless technology allows for extended gaming

Update the latest firmware to get the best results