You could almost call this an "all-round" type of mouse. The format of this mouse is such that it suits those with smaller hands.
From ManoMano
Kensington Value Wireless Mouse Blk - AC30518
ABS IT Services
Kensington Wireless ValuMouse - mouse - 2.4 GHz - black (K72392EU)
This product is also available at 8 unverified stores.