【Large 2.01" Display】Featuring a vibrant 2.01-inch TFT screen with 240x296 resolution, this smartwatch offers clear visibility for all your outdoor activities 【Outdoor-Ready Design】Equipped with a compass and 1ATM water resistance, the G45 is perfect for hiking, trekking, and various outdoor sports 【Extended Battery Life】With a 380mAh lithium-ion polymer battery, enjoy 5-7 days of regular use or 30+ days on standby, ensuring your watch is ready for any adventure 【Comprehensive Health Monitoring】Track your heart rate, sleep, blood pressure, and blood oxygen levels for a complete overview of your health and fitness 【Multi-Sport Modes】Choose from over 20 sport modes including outdoor running, cycling, hiking, and more to accurately track your workouts and progress Specifications: Basic Parameter Size 45.3*35.9*9.4mm Weight 37g Major function Bluetooth-compatible call, compass, flashlight, heart rate, blood oxygen, sleep, step counting, more than 10 sports modes, calorie consumption, hand light screen, alarm clock, APP information reminder, stopwatch, music control, remote control photo, weather, screen brightness adjustment, APP movement track Hardware parameter Chipset Brand AB Chipset AB5681F APP H Band Compatible System Android 5.0 and above, IOS 9.0 or above, support Bluetooth-compatible 5.2 Bluetooth-compatible calling Support FLASH memory 64M LCD TFT screen size 2.01 inches Resolution 240*296 Type Full screen touch Connection parameter BT BT5.2 WIFI Not supported NFC Optional Sensor G-Sensor Support Encoder Support Gyroscope Not supported Heart Rate 3602 GPS Not supported Battery Type Polymer battery Capacity 380mAh Charging Method Magnetic charging cable Software features H Band Heart rate monitoring, sleep, blood pressure, blood oxygen, weather, Bluetooth-compatible mu