Compared to the original Endgame Gear XM2w 4K, the V2 introduces several improvements. The sensor has been upgraded to a custom variant of PixArt's latest PAW3950, and instead of a TTC "Silver" encoder, the V2 now uses one from Kailh. The weight is 60 g, the Kailh GX main button switches still allow for incredibly low click latency, and 4000 Hz wireless polling continues to be present.