Amazfit Band 7 Fitness and Activity Trackers and Smartwatches, Heart Rate, SpO2, Sleep Analysis, Amazon Alexa Built-In, 18-Day Battery, Black

Operating System: Zepp OS
Memory Storage Capacity: 2300 MB
Special Feature: ALEXA Built-in, Activity Tracker, Always On Display
Battery Capacity: 232 Milliamp Hours
Connectivity Technology: Bluetooth
Wireless Communication Standard: Bluetooth
Battery Cell Composition: Lithium Ion
GPS: GPS Via Smartphone
Shape: Heart
Screen Size: 1.47 Inches

SPORTS MODES: The fitness tracker watch has a large selection of 120 sports modes, get data for all your favorite sports. With a water-resistance grade of 5 ATM, meaning it can resist the equivalent of up to 50 meters of water pressure
HOLISTIC HEALTH MONITORING: Our heart rate monitor watch delivers rapid insights into heart rate, sleep stages, blood oxygen, and stress, as well as provide menstrual cycle tracking
LARGE HD AMOLED DISPLAY: Experience the brilliance of our fitness tracker watch with a 1.47" always-on display, 112% larger than band 5 for easier access to all your activity & fitness trackers without excessive scrolling
SEAMLESS INTEGRATED ASSISTANT: Control your day with Amazon Alexa built in to your smart watch, effortlessly navigating our low-power Zepp OS and mini app ecosystem for seamless daily management
EXTENDED BATTERY LIFE: Your fitness watch offers up to 18 days on a single charge, thanks to the 232 mAh battery. No need to constantly recharge while engaged in varied sports modes, and can last up to 28 days with a battery saver mode