5 batteries (need to be purchased separately)
Its vertical design reduces the torsion of the forearm and wrist caused when using most other mice
"Great quality item
Operating temperature range: -20 to 55℃
Keystone Correction: Electronic correction
360 Rotating Car Magnetic Cell Phone Holder Magsafe Metal Car Folding Navigation Stand, Folding Magnetic Holder Option:Folding Magnetic Holder 5 batteries (need to be1. Material: zinc alloy + plastic 2. 360 degree arbitrary rotation, flexible adjustment of the viewing angle, not blocking the line of sight 3. Metal material, double folding design, super load bearing, placed firmly 4. Easily switch between horizontal and vertical, to meet the needs of a variety of angles, one handed operation, safe traveling 5. Strong magnetic force, strong load bearing capacity, non marking adhesive, stable and not afraid of high