This is a gold-colored professional cordless outliner hair trimmer, likely from a brand such as Kemei, Resuxi, or DJROLL.
It features a T-blade designed for lining, designing, and dry shaving.
The device is rechargeable and often comes with a USB charging cable and guide combs.
It typically has a powerful rotary motor for efficient trimming and low noise operation.
The body is often made of an alloy or metal, with a textured grip.