1. Material: plastic, silicone/metal, electronic components 2. Supported languages: The watch interface supports English, Simplified Chinese, French, German, Italian, Spanish, Russian, and Portuguese (message content push supports multiple languages) 3. System: Android5.0+, IOS9.0+ 4. Functions: waterproof, audio-visual entertainment, photo taking, step counting, social entertainment, smart reminder, remote Selfie, information push, motion tracking, mobile positioning, tracking/alarm, health monitoring, sleep analysis 5. Screen size: 1.28 inches TFT screen 6. Screen resolution: 240x240 7. Memory: 64MB 8. Built-in battery: 220mAh lithium battery 9. Working time: 7 days 10. Standby time: 30 days 11. Waterproof grade: IP67 12. Dial size: 5.02 x 4.55 x 1.07 cm