Shandongmt OLED Measuring Accuracy Fitness Tracker

PRODUCT FEATURE Low Battery voltage indicator. Easy Operation - One button to measure. Accurate Measurement - Read within 8 seconds. Automatically Shut Down - After 10 seconds of no use. 6 Display Modes - 0.96 Inches HD color large screen. Display in two-color OLED. Lightweight and Easy to Carry - Comes with a convenient lanyard and you can carry it easily when you are out or traveling. PACKAGE INCLUDED 1 x Machine the fingertip (without battery) 1 x Lanyard 1 x English user manual NOTE: Please do not measure on the same finger for more than five minutes