XIAOMI MI BAND 4

Xiaomi Mi Band 4

Display & Design

• Display: 0.95-inch AMOLED, 120 × 240 pixels
• Brightness: Up to 400 nits
• Protection: 2.5D tempered glass with anti-fingerprint coating
• Weight: 22.1 grams
• Dimensions: 46.9 × 17.9 × 12 mm
• Water Resistance: 5 ATM (up to 50 meters)

Battery & Charging

• Battery Capacity: 135 mAh
• Charging Time: About 2 hours
• Battery Life: Up to 20 days on standby

Compatibility & Connectivity

• Compatible with Android 4.4+ and iOS 9.0+
• Bluetooth 5.0 BLE
• Uses Zepp Life (formerly Mi Fit) app

Health & Fitness Features

• Sensors: 3-axis accelerometer, 3-axis gyroscope, PPG heart rate sensor
• Heart Rate Monitoring: 24/7 with resting heart rate tracking
• Sleep Tracking: Light and deep sleep stages
• Exercise Modes: 6 modes including treadmill, outdoor running, cycling, walking, pool swimming, and exercise
• Additional Features: Idle alerts, goal setting, workout notifications

Included in the Box

• Mi Band 4 device
• Wrist strap
• Charging cable
• User manual

Summary

The Xiaomi Mi Band 4 offers a bright AMOLED screen, solid fitness and health tracking, long battery life, and water resistance suitable for swimming. It is compatible with both Android and iOS, making it a versatile and affordable fitness band.