※Please use in a place where it will not hit people or objects. ※If you overdo it, you may injure your arms, shoulders, elbows, etc. ・After launching the app, hold the smartphone firmly but not crush it, and never let go while practicing punches. ・When the measurement is successful, a sound will be heard and the punching power level will be displayed. ※The measurement value is purely unique to this app, and the unit (Pow) is also independently defined. ※The accuracy of the measurement value is a
