2021 Amazon Hot Selling Mi 4 Smart Watch M4 Smart Band

Premium Build & Sleek Design
Crafted with a lightweight yet durable aluminum alloy frame and a soft hypoallergenic silicone strap for all-day comfort. The 1.4-inch HD touchscreen features scratch-resistant tempered glass for crystal-clear visibility.
Advanced Health & Fitness Tracking
24/7 heart rate monitoring, blood oxygen (SpO2) tracking, and blood pressure measurement. Tracks steps, calories, distance, and sleep patterns with 99% accuracy. Ideal for workouts, running, swimming (5ATM waterproof), and daily health management.
Smart Notifications & Long Battery Life
Receive calls, texts, and app alerts directly on your wrist. Syncs seamlessly with Android & iOS. A single 2-hour charge delivers up to 10 days of use.
Customizable & Multi-Sport Modes
Choose from 10+ sport modes (running, cycling, yoga, etc.) and personalize watch faces to match your style. Perfect for fitness enthusiasts, professionals, and tech-savvy users.
Global Wholesale Advantage
Direct factory pricing, bulk discounts, and worldwide shipping. Unbeatable value for retailers and resellers.