Amazfit

Key features:

• [Ready for Action] The Amazfit T Rex 2 premium GPS smart watch is equipped with 1.39” HD AMOLED always-on display for clear & outstanding visibility while outdoors and it passed 15 Military-standard Tests (MIL-STD-810G) to withstand extreme temperatures and environments, and prove durability even when subjected to intense physical condition.
• [Navigate for Your Exploration] The Amazfit T Rex 2 sports watch supports 5 satellite positioning systems(GPS/GLONASS/Galileo/BeiDou/QZSS), which can effectively reduce environmental interference and achieve more precise positioning. Hikers, climbers, and explorers of any fashion can also conquer new heights and discover new paths with the T-Rex 2's built-in compass and barometric altimeter. It also provides Route Import and Real-time Navigation.
• [Strength Exercise More Effective] The Amazfit Tex 2 smart watch can automatically recognize the movements and count the reps of dozens of types of strength training exercises and help to create your own training templates. After finishing the workout, the Zepp App will visually show you the muscle group you exercised and assesses specialized data like maximum oxygen uptake (VO2Max), full recovery time, training load and training effect to help you get strength exercise more effective.
• [150+ Sports Modes&10 ATM Waterproof] The Amazfit T-Rex 2 sports watch‘s huge selection of over 150 sports modes includes the toughness-testing Triathlon mode, the professional lap-data recording Track Run mode with smart trajectory correction, and the more leisurely Golf Swing mode. Whatever activity gets you going, you'll likely find a mode for it on the T-Rex 2. And it is 10 ATM waterproof and can withstand splashes, rain or snow, swimming, snorkeling, and other non-high-speed water sports.

Key features:

• Bluetooth 5.0, GPS
• 1.69 in Touch Display
• Water Resistant, 50 m, IP67
• Heart Rate Monitor
• SpO2 (Blood Oxygen) Monitor
• Pedometer, Sleep Monitor, Calorie Count, Step Count
• Alarm Clock, Stopwatch, Reminder, Timer
• Amazfit OS

Key features:

• 1.55” AMOLED Display with high 314 PPI Resolution for a crystal clear image and sharp details.
• Metal body (Aluminum Alloy), giving premium and solid look and feel.
• Super-Light weight body with only 19.5 grams, 8.95 MM Thin body, comfortable to wear day & night and during sports activities.
• 70+ built-in sports modes and 5 ATM water-resistance.
• 14 days battery life to avoid frequent charging and focus on your daily activities mind free.
• GPS + GLONASS dual-satellite positioning chip for increased speed and accuracy.
• Monitoring your blood oxygen levels by intelligently monitoring your (SpO2) blood oxygen levels.

Key features: 1.65-inch AMOLED display with tempered glass and anti-fingerprint coating 348x442 pixels which gives it a 341 ppi pixel density Resolution 246mAh battery Capacity BioTracker 2 PPG with blood oxygen saturation