M4 Smart Fitness Tracker | Heart Rate & Sleep Monitor | Touch Screen | Waterproof

Track More. Do More. Feel Better.

Your health doesn't take a day off — and neither should your tracker. The M4 smart fitness band monitors your heart rate around the clock, tracks your steps and calories, analyzes your sleep, and keeps you connected to your notifications, all from a comfortable touch screen band that you'll forget you're wearing. Whether you're pushing through a workout or winding down for the night, the M4 is quietly working in the background so you don't have to think about it.

Key Features

• High-sensitivity touch screen — smooth, responsive display for quick access to steps, calories, distance, heart rate, and weather at a glance
• 24-hour continuous heart rate monitoring — photoelectric signal detection tracks your heart rate all day and night, giving you a complete picture of your cardiovascular health
• Multi-sport mode — supports walking, running, biking, skipping, badminton, table tennis, and more
• Automatic step & calorie tracking — records activity throughout the day and syncs to the mobile app for a full fitness overview
• Sleep detection — automatically monitors sleep quality and generates a sleep report; smart alarm vibrates to wake you gently
• Thermoplastic elastomer band — soft, skin-friendly material that's comfortable for all-day and all-night wear
• Easy install & remove — snaps on and off in seconds; compatible with standard smart watch straps

Built For

• Fitness enthusiasts tracking workouts & progress
• Anyone monitoring heart health & activity levels
• People who want better sleep insights
• Everyday wear as a connected health companion
• Gifting to health-conscious friends & family

Small band. Big picture. Order today and start understanding your body better.