User's Manual

Guangdong Ruixin Intelligent Technology Co., Ltd.
Add: Room 102, Building 4, No. 230, Shinan Avenue, Huangge Town, Nansha District, Guangzhou
— 4 —
Product Introduction
（Front） （Back）
A. Upper button
B. Lower button
C. Body temperature contact pin
D. Light receiver
E. Heart rate LED
F. Charging pin
G. Blood oxygen LED
ON/OFF
By long pressing the lower button of the watch.