The software is only limited user-friendly, the LEDs are quite nice, see the Gradients in reality, however, much cheaper from, as is suggested in the pictures. Even after several days of familiarization phase and familiarization with the perfect settings I never had the feeling of being able to aim really 100% accurate.
Conclusion: Unlike keyboards or reasonable headphones that really make the game feel a significant difference and it is therefore in this case also pays to buy quality, 3/4 of the features of this mouse are nonsensical frills, which is very costly. Nobody needs 1000Hz polling, 30g acceleration or an integrated processor, with which one could control the mouse to the moon. The decisive factor is the comfort, and is in this mouse not really high.