Elektroniczne urządzenie do pomiaru siły chwytu, silikonowy pierścień do chwytu, urządzenie do treningu siły dłoni do rehabilitacji

Product Description           Product Description Still confused about how to work on your grip? Don't worry, Uesay hand grip strengthener will help you. Still plagued by various wrist ailments and stress? Uesay hand grip strengthener will help you build wrist strength and enhance your grip. It can also be used as a stress relieving item! Keeps you healthy and energized! Uesay hand grip strengthener also has a LED counter, accurate and reliable so you don't have to worry about getting distracted while counting! Experience Uesay hand grip strengthener, experience a healthy life! Feature: 1. Unique and convenient counting function 2. Low stress for recovering populations 3. Small and portable, not limited by time and space 4. Bump design, both anti-slip and stimulate acupuncture points. Specification: Product Name: Counting Grip Strengtheners Material: Silicone Color: Multicolor Dimensions: 3.26 x 2.75 inches Weight: 0.16lb (0.073Kilograms) Product usage rules: 1.Power ON: Press the button on top of the grip strengtheners, then it will turn on; 2.Start to Count: When the grip strengtheners is on, you can hold the grip strengtheners, it will start to count. Make sure you pressed the button on top of the grip strengtheners 3.Press the button three seconds to count down 60-second to get ready. After that, press more three seconds to count down 100-second to get ready. Press 3 more second to zero counting. 4.Power OFF:The grip strengtheners will turn off automatically after 20 seconds of inactivity. Attention: 1. The grip needs to be in the correct position in order to count, a wrong position will not count and may damage the counter. 2. It is forbidden to let the counter on the grip get water to prevent the count from failing inaccurately.