Jelly Comb Bluetooth Ergonomic Mouse, Advanced Vertical Wireless Bluetooth Mouse 2.4GHz Optical Vertical Mice, Easy Switch Between 2 Devices with Bluetooth and USB Connection MV045 (Black) Wireless Optical Mouse - Jelly Comb :
Slim Wireless Mouse Jelly Comb MS001
Cheap and good (?) - Jelly Comb GM02 mouse review (G703 clone) : r/MouseReview