1. Display: 1.85 inch square screen 2. Resolution: 240x280 3. Battery capacity: 250mAh 4. Charging voltage: 5V 5. Bluetooth mode: dual mode 5.0/3.0 6. Charging method: Magnetic charging 7. Standby time: 20 days 8. Use time: 3-5 days 9. Mobile phones that support Android 4.4 or iOS 8.0 and above 10. Support functions such as step counting, exercise time, exercise mileage, calorie consumption, and real-time exercise heart rate 11. Equipped with voice assistant, making calls, answering calls, rejecting calls, theater mode, brightness adjustment, turning wrist to brighten the screen, time display, remote photo taking and other functions 12. Support Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese
