No batteries required. Take it and use it anywhere. Stainless steel material, sharp precision design, durable,can be used continuously for tens of thousands of times. The trimmers don't pull the hairs. No more tears or cringing in expectation of pinching. The sharp, stainless steel cutting blades never come in contact with skin. Just press this nose and ear hair remover to trim nose or ear hair, quickly and simply, safe, painless, no noise and money-saving. Productdetails Features: As our set is manual, all tools require zero batteries meaning you will never get caught out with stray nose or ear hairs. Mechanical, can be operated by one handed manual quickly and simply. Stainless steel material with chic dainty design and meticulous cut, sharp and durable, can be used continuously for many times. Precise structural-design hair nose trimmer can trim your unwanted nose or ear hair easily & completely, also prevent cutting blades come in contact with skin to cause any discomfort. Specification: Material: Stainless Steel Color: Silver Size: 4.5*3cm/1.77*1.18inch How to use: Insert trimmer slightly into nostril or ear by holding tool with thumb & forefinger. Place the cutting heads approx 1/5 inches into your nostril. Be sure to clean area with warm water before use. Squeeze handle to rotate the sharp interior blades, trimming visible hairs only. Maintain rotating movement during cutting to avoid unpleasant pulling. Note: Please do not take the machine apart, it will affect the precision accuracy. Package included: 1 x Manual Nose & Ear Hair Trimmer