The Geemy Trimmer 3 In 1 GM-6720 is a professional-style, rechargeable grooming kit designed to offer multiple functions in a single device, primarily for men's hair and facial grooming.1The "3-in-1" designation refers to the three interchangeable heads that come with the kit, allowing it to perform different grooming tasks.2Key Features & FunctionsThe GM-6720 is generally advertised with the following core functions and features:FeatureDetail3-in-1 Multi-FunctionThe kit includes three interchangeable heads to cover most common grooming needs:1. Hair/Beard Trimmer Head: The main head for cutting hair, beard styling, sideburns, and necklines (often a "T-Blade" style).2. Shaver/Foil Shaver Head: For a clean, close shave on the face or body.3. Nose/Ear Trimmer Head: For safely removing unwanted hair from the nose and ears.BladesHigh-precision, durable blades, often described as Titanium Steel or similar alloy, designed for sharp, skin-friendly trimming.OperationCordless operation for freedom of movement and easy use, with a rechargeable battery. Some models also support "plug and play" (can be used while charging from the AC power source).