General specifications: 1. Product size: 48.6x13.5mm 2. Case material: Zinc alloy 3. Strap specifications: 22mm silicone strap (removable and replaceable) 4. Product weight: 60g 5. Waterproof level: IP68 6. Battery life: 5-7 days (depending on usage scenarios) 7. Charging time: Less than or equal to 2H 8. Compatible with smartphone systems: Android 5.1 or IOS 8.2 or above systems that support Bluetooth 5.0 BLE 9. APP name: FitCloudPro 10. Watch firmware language: 10 languages (Chinese, English, German, French, Italian, Spanish, Polish, Belgian, Portuguese, Vietnamese) 11. APP language: 24 languages (Simplified Chinese, Traditional Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Arabic, Dutch, Italian, Czech, Greek, Hebrew (English, Indonesian, Malay, Polish, Thai, Vietnamese, Finnish, Romanian, Turkish, Croatian) Hardware Configuration: 1. CPU: BT8959T5 2. RAM: 578KB 3. ROM: 640KB 4. External Flash: External 128Mb 5. Heart rate chip: HX3918 6. Acceleration sensor: STK8321 7. Geomagnetic: Support 8. Bluetooth: BLE5.0 9. Display: 1.46 inch, 360x360 IPS display 10. Physical buttons: 2 (with encoder) 11. Touch: Full screen touch 12. Battery: 450mAh polymer battery 13. Charging method: USB magnetic charging Software configuration: 1. Built-in dials: 6 built-in dials, supports custom dials, and supports dial downloads 2. Basic functions:Data, sports, sports records, weather, information, women, music, Alipay, sidebar, stopwatch, timer, alarm clock, payment code, business card, calendar, calculator, search phone, camera 3. Bluetooth call connection: Connect 1 time 4. Health management: Exercise monitoring, sleep monitoring, heart rate detection, blood pressure detection, breathing exercise 5. Sports modes: 9 sports modes on the watch, massive sports modes on the APP 6. Call: Dialing, frequently used contacts, call history, voice assistan