Comparison Oster 616-70 vs Oster 97-44

— Blade for cutting. The device is equipped with a classic hair clipper. Hair clippers usually have a fairly wide blade, allowing you to capture a large amount of hair at one time. In beard trimmers, the blade width is slightly smaller, but still allows you to fully care for a certain area of the face.

— Additional blade for cutting. An extra blade can serve as either a backup or a supplementary tool. While spare blades usually match the width of the main blade, auxiliary ones are typically narrower. A narrower optional blade is primarily used for precise detailing and cutting intricate designs. Conversely, a spare blade can come in handy when the main blade is entirely dull.

— Trimmer for goatee. The goatee trimmer is a special nozzle with a narrow blade, with which it is convenient to shape the contours of the goatee and easily care for this type of beard. A characteristic feature of this nozzle is a blade about 20 mm wide. The goatee trimmer can be represented as a replaceable nozzle or an additional blade built into the clipper.

— Trimmer for ears and nose. The clipper is equipped with a special nozzle that allows you to effectively and safely cut hair in the nose and ears. The ear and nose trimmer is usually a small cylindrical blade, the diameter of the cutting head is usually 5-7mm, and the length can be up to 30-40mm....The presence of a trimmer for ears and nose allows the machine to take a more comprehensive approach to hygiene and hair care.

— Eyebrow trimmer. Eyebrow trimmer — a special attachment in the form of an oblong cutting head that allows you to care for eyebrows, correct their shape, and also shorten thick and unruly hairline. The eyebrow attachment is often double-sided. On the one hand, the trimmer can be equipped with a 3-4 mm high comb, which allows you to protect the eyebrows from excessively short cutting, and the other side is usually represented by a bare blade, which makes it possible to cut off excess hairs on the eyebrow line under the root.

— Foil razor. The foil razor head is tailored for trimming short stubble. The mesh effectively and delicately cuts through three-day growth, leaving behind a smooth complexion without discomfort. Numerous clippers featuring foil razors enable shaving without the need for foam, commonly referred to as a "dry shave".

— Body trimmer. The body trimmer is an accessory designed for removing hair from the torso and sensitive areas. The shaving head for body grooming usually features a dual structure. The primary component is a conventional blade that effectively handles coarse hair. Positioned behind the blade is a shaving foil that ensures a clean shave for any remaining stubble. Additionally, the body trimmer often includes a detachable 3 mm comb. When dealing with dense hair growth on the initial pass, using the fixed comb is recommended as the foil shaver might not be as effective.

— Universal comb. The adjustable-height comb provides seamless hair cutting transitions without the need to change attachments. Altering the comb's height is easily achieved on-the-fly by pressing the latch and shifting the comb. These combs offer convenience as they enable cutting with a single attachment, maintaining workspace organization. However, due to their intricate design, the reliability of such attachments may be compromised. The adjustable comb attachment is versatile, with typical models allowing you to select any height between 1 to 20 mm.

— Comb for cutting behind the ears. Comb attachment for precise work behind the ears. Allows you to perform a smooth edging along the lower border of the scalp in the area behind the ears.

Clippers and trimmers are often equipped with fixed-height removable combs. The more combs in the kit, the smoother transitions the device can make. The standard set usually includes 3-5 combs, more advanced models may have 7-10 combs of a fixed height in a set.

The cutting height is influenced by the type of cutting element and the inclusion of detachable combs. Toothed blades can trim hair as short as 1 mm. By coupling a toothed blade with a detachable comb, the cutting height can range from 2-3 to 20, and even 30 mm – the precise height hinges on the provided comb attachments. There are defined minimum and maximum cutting heights. The minimum pertains to the blade's inherent capabilities, devoid of attachments. The maximum cutting height is determined by the detachable comb type.

Adjusting the length of the blade allows you to change the cutting length of the cutting unit. Accordingly, this parameter affects both the trimming length and a more accurate haircut using attachments.

By the width of the additional blade, you can determine its intended purpose. A 30-40 mm wide blade is usually used for cutting head hair, a 20-30 mm wide blade is most often used for beard and mustache trimming. Approximately the same width is needed for a blade for cutting body hair.

The performance of the tool, the maximum rotation speed of the motor and how well the device handles with thick and coarse hair depends on the power of the electric motor. So, for cutting thick head hair, you need a clipper with a power of at least 15 W, the performance of such a device is usually enough to ensure a motor rotation speed of 10,000 rpm. But there are also more powerful clippers(from 20 W). Trimmers for beards and mustaches usually need 5 W of power. Such models most often have a performance of 3,000 – 5,000 rpm.

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.

The length of the cable determines how far the user can move with the device from the outlet. On average, the length of the current-carrying wiring of the clipper / trimmer is about 2 metres. This parameter is relevant only for networked (230 V) and hybrid (network + battery) models.

The weight of the clipper/trimmer is especially important when the device is planned to be used often and for a long time. The less the clipper/trimmer weighs, the less the user's hand will get tired. Of course, there is a direct relationship between the mass of the device and its performance. Powerful clippers/trimmers use a larger and heavier motor. Additionally, the weight of the device increases due to the presence of a battery pack.