XIAOMI MI Band 5 Smartwatch, Tracker,Fiteness tracker, Bluetooth, IP67

Xiaomi Mi Smart Band 5 (Xiaomi Mi Band 5 in China) is a wearable activity tracker manufactured by Xiaomi Inc.
It features a 1.1-inch capacitive AMOLED display with 126x294 pixels and 24/7 heart rate monitoring, which is 50% more accurate PPG sensor than its predecessor. It supports a magnet charging dock, which is said to be easier to use than previous generation chargers.

Characteristics

• Display: 1.1-inch (2.72 cm) AMOLED, full color touchscreen
• Dialog DA14697 (Arm Cortex M33)
• Color depth: 16 bit
• Screen brightness: up to 450 nits
• Resolution: 126x294
• Button: One-touch button (wake up, return)
• Connectivity: Bluetooth version 5.0 BLE, NFC on some models [5]
• RAM: 512 KB
• Memory: 16 MB
• Battery: LiPo, 125 mAh, 14 days of battery life (NFC), 20 days (no NFC)
• Sensors: Accelerometer, Gyroscope, PPG Heart Rate Sensor, Capacitive Proximity Sensor, Infrared Sensor (NFC Option), Barometer [link needed]
• Water resistance: up to 50 meters for 30 minutes, 5 ATM

Functions
Heart rate monitor (24/7), step counter, 11 workout modes, PAI Score (Personal Activity Intelligence), camera controller, weather alerts, NFC (on some models), timer, stopwatch, REM + sleep monitor, alarms, reminders, Notifications, call mute and reject, phone search, silent phone, brightness +/- and other minor functions, music controller, sedentary reminder, event reminder, breathing exercises, stress counter