User Manual of Product 1:
Amazfit Bip U Smart Watch Fitness Tracker for Men, 60+
Sports Modes, 9-Day Battery Life, Blood Oxygen Breathing
Heart Rate Sleep Monitor, 5 ATM Water Resistant, for iPhone
Android Phone (Black)
User Manual of Product 2:
Amazfit Bip U Pro Smart Watch with Alexa Built-In for Men
Women, GPS Fitness Tracker with 60+ Sport Modes, Blood
Oxygen Heart Rate Sleep Monitor, 5 ATM Water Resistant, for
iPhone Android(Black)