GOKOO T30 REVIEW: Good Fitness Watch At First Glance, But... - YouTube
GOKOO Smartwatch Fitness Tracker Review & Waterproof Test (New Model 2019) - YouTube
Amazon.com: Customer reviews: GOKOO Smart Watch Sport Activity Tracker Waterproof Smartwatch for Men with Blood Pressure Heart Rate Sleep Monitor Breathing Train Step Distance Calorie Full Touch Camera Music Control (Black-Gray)