Xiaomi Watch S1

Specification:

Design & Display

• Display: 1.43-inch circular AMOLED touchscreen

• Resolution: 466 × 466 pixels (~326 ppi) with 60 Hz refresh rate

• Protection: Sapphire crystal glass (high scratch-resistance)

• Case: Stainless steel frame for durability and a premium feel

• Straps: Includes calfskin leather + fluororubber strap for sporty or elegant styles

• Always-On Display: Supported (affects battery life)

• Water Resistance: 5 ATM (up to 50 m; suitable for pool swimming)

Performance & Operating System

• Compatibility: Android 6.0+ and iOS 10.0+

• OS: MIUI Watch (proprietary Xiaomi wearable OS)

• App Store: Limited apps compared to WearOS or WatchOS (few third-party apps available)

Battery & Charging

• Battery Capacity: 470 mAh

• Battery Life:

  • Up to ~12 days typical use (heart rate, notifications, basic tracking)

  • ~24 days in battery saver mode

  • ~30 hours with continuous GPS use

• Charging: Wireless charging (Qi standard) — supports third-party wireless chargers and reverse wireless charging from phones with that feature.

Health & Fitness Tracking

Sensors

• Optical heart rate sensor

• SpO₂ (blood oxygen) sensor

• Sleep tracking

• Stress monitoring

• Accelerometer & gyroscope

• Ambient light sensor

Smart & Connectivity Features

• Bluetooth® 5.2 connectivity

• Wi-Fi (802.11 b/g/n)

• Mic & Speaker: Supports Bluetooth calls from the watch

• NFC: Contactless payments via Mastercard (availability depends on region)

• Notifications: Messages, calls, reminders, social apps

• Watch Faces: 200+ customizable watch faces

• Extras: Weather, music control, find phone feature