The XTRFY M42 is an excellent ultra-light gaming mouse with very solid build quality and a symmetrical shape that should be comfortable for almost all hand sizes and grip types. M42 also includes modular back panels that add to the ergonomics by allowing you to swap between a smaller or taller back panel to get the best fit for your hand. It's wired-only and has a wide CPI range and low click latency. If you're looking for a smaller ambidextrous mouse you owe it to yourself to take a look at the Xtrfy M42.