Bought for my husband to play with. Selected for palm grip. The size for an adult male is perfect. Comfortably sits in the hand. Slippery elastic bands on the sides. The mouse is quite heavy, you have to get used to it, but after a couple of months of operation you donโt notice it. Disappointed that after a year of operation the wheel broke. Doesn't scroll in browser or games. for a mouse for 5k + I expected more reliability.