The Finger Mouse 2.4GHz is a handheld ergonomic trackball mouse designed for precision and comfort during long hours of work or presentations. With a maximum DPI of 1600 and optical tracking method, this wireless mouse offers reliable and smooth cursor control. The sleek black design and ergonomic features make it an efficient and stylish choice for users looking for a versatile and convenient mouse for their computing needs. Made in China, this unit includes two buttons and is ideal for those who prefer a trackball mouse for their computing tasks.