Fangrui Product Details Built-in Usb Plug Easy Charging : It Is Easy To Charge This Pedometer With Any Usb Block And Computer And No Charging Cable And Dock Needed.one Single Full Charge Gives You Up To 4 Months Of Working Time Which Could Support Long-term Travel So You Dont Need To Worry About Batteries. Simple Easy To Use : Its The Simplest 3d Step To Start With, If You Dont Want Complicated Set Ups.non-bluetooth,no Time,no Complicated Settings,just Take It And Start Your Walking!the Simple And Design Makes It User Friendly For Men, Women, Kids The Elderly Who Want To Track Their Steps And Stay Motivated Towards Achieving Their Fitness Goal. Smart Accurate : The Cr-837 Walking 3d Pedometer Has Advanced 3d Tri-axis Sensor Technology So It Is Much More Accurate Than Most Pedometers Which Can Provide Superior Accuracy In Reading Steps In Any Position - Up, Down, Flat On Its Side, Or Any Angle.it Can Count Up To 99,999.multiple Wearing Options-clip To Your Pocket Or Hip, Wear Around Your Neck Or Place In Your Pocke