Number of revolutions of the motor
The speed of rotation of the motor of the clipper. The speed of movement of the blades directly depends on this parameter, and the quality of the haircut, in turn, depends on it: the faster the blades move, the faster and more accurately the clipper cuts.
Features
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Self- sharpening blades. Blades made using a special technology, thanks to which they sharpen themselves, due to friction against each other in the process. Thus, the blades remain sharp at all times, and their maintenance is limited to the replacement of worn blades.
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Function of thinning. Thinning in hairdressing is called cutting the ends of the hair at different levels — as a result, after the haircut, the hairstyle looks more natural and magnificent. In machines, special thinning nozzles are usually used for this.
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Wet cleaning. The clipper's capacity for wet cleaning of its attachments, allowing them to be rinsed under flowing water, is a notable feature. It's important to clarify that this pertains exclusively to the attachments – not all models with wet cleaning have waterproof casings (see below). Nevertheless, even without a waterproof casing, it might still be feasible to clean the attachments without detaching them from the device. In general, wet cleaning is frequently more efficient, quicker, and precise compared to dry cleaning.
— Waterproof body.In this context, a sealed enclosure is indicated, enabling the machine to withstand water exposure without adverse effects. The extent of protection can vary; certain models tolerate brief water immersion, while others can operate even when submerged. These specifics should be detai
...led in the accompanying instructions. Nevertheless, for clippers used in environments with elevated humidity (like bathrooms or wet areas), having such a water-resistant enclosure is greatly preferred, and sometimes obligatory.
— Built-in vacuum cleaner. The clipper is equipped with a vacuum cleaner, which greatly facilitates cleaning after cutting. The suction hole located under the blades sucks most of the cut hair into a separate reservoir. Of course, there will not be a 100% return, but there will be much less hair scattered on the floor. However, when cutting a beard, a vacuum cleaner will do just fine.
— Laser pointer. The presence in the electric razor of a laser in the form of a straight line. With its help, you can easily, and most importantly, evenly and symmetrically trim the desired areas.Power supply
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Mains. The clipper is powered by a 230 V electrical network. The benefit of this power source is the unrestricted operational duration (no need for periodic battery recharging). However, drawbacks include the necessity of an available electrical outlet and the limitation imposed by a power cord, which can impede movement and cause operational inconvenience.
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Battery. The clipper is powered by its own built-in battery. On the one hand, this gives maximum freedom of movement (since there is no power cord) and battery life — such devices can be used even where there is no electrical network. On the other hand, the battery life is limited, it must be constantly recharged — otherwise there is a risk that the charge is exhausted at the most inopportune moment (for example, during the haircut).
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Batteries. The clipper is powered by interchangeable batteries. In terms of its primary pros and cons, this power source resembles battery power (as mentioned earlier). However, in contrast to built-in batteries, replaceable batteries offer less capacity, making them suitable for low-power devices like nose trimmers (see Type) that don't demand prolonged usage. On the positive side, replaceable batteries allow for swift replacement when depleted, whereas a built-in battery would necessitate a lengthier recharging process in such instances.
Operating time
The typical duration of uninterrupted operation for a clipper powered by a self-contained source (battery or rechargeable batteries, refer to Power Source) without requiring a recharge or battery replacement. Extended continuous operation time becomes particularly crucial when intending to use the clipper in locations where recharging or battery changes are unavailable, such as during long trips.
USB charging
The ability to charge the battery of the clipper from the USB port of the computer. This function is not particularly significant when using the machine at home, but for travel it can be useful: if necessary, the battery can be
recharged from the USB port of a portable computer (laptop or tablet). In this case, the connector in the device itself can be microUSB, USB-C or branded, which will require an appropriate cable.
Material
— Metal. High-end clippers/trimmers use a metal body. Typically found in professional models, and occasionally in semi-professional ones, a metal casing ensures remarkable durability and resistance to heavy use. However, this design substantially elevates the device's weight and cost.
— Plastic. Mostly low-cost clippers/trimmers are equipped with a plastic case. The plastic case is lightweight and easy to care for. Among the shortcomings of plastic, only low strength can be noted. If you intensively use a trimmer/clipper with a plastic case, then the working surface of the device will quickly become covered with scratches and scuffs.
— Metal/plastic. Semi-professional clippers/trimmers commonly feature a combination of metal and plastic casing. These models incorporate metal with plastic inserts. This approach maintains a high level of reliability while using plastic inserts to lower device costs and enhance user-friendliness. Clippers with combined casings are versatile for both home and salon use.