Button definition Thanks to advances in software algorithms and proceors, we offer button definition. you can set different button functions according to personal preference. Product parameters: screen size: 2.05 inch screen resolution: 485*525dpi Watch size: 38*45.5*10.5mm Screen refresh rate: 60Hz Built-in chip: Realtek 8762DT Screen type: equal width all around Frame Material: Stainle Steel Waterproof level: iP68 life waterproof can not swimming and take shower Dials: 500+ Charging type: Magnetic wirele charging Battery capacity: 400mAh Battery life: 5-7 day Charging time: 1 .5 hour Wacth Language: 1. English, 2. German, 3. Italian, 4. French, 5. Ruian, 6. Spanish, 7. Portuguese, 8. Turkish, 9. Hebrew, 10. Czech, 11. Arabic, 12 .Korean, 13. Japanese, 14. Persian Function "High-definition bluetooth fairy tale, off-screen pointer, cover hand off screen, custom picture, APP background download picture, QR code (download and connection two-in-one), find mobile phone, calendar, motion track, restart, meage push, remote photo , , sleep monitoring, blood sugar, altitude, body temperature monitoring, weather, blood preure, voice aistant, my QR code, button definition settings, blood oxygen, breathing, dial, pedometer, timer, menu style, factory reset, settings (Smart island, drainage, power saving mode, siren alarm sound, screen off time, screen on when you raise your wrist, NFC, brightne, button definition, vibration intensity, do not disturb mode, paword setting, language, time and date setting, connection APP, recovery factory, restart, shutdown, about), phone (contacts, call history, dial pad, call settings, emergency call), calculator, heart rate, language selection, about watch information, alarm clock, sports mode, Bluetooth music, Bluetooth call, Stopwatch, off-screen time, vibration intensity, time and date setting, paword lock. Drop-down menu: Bluetooth switch, do not disturb mode, brightne adjustment, one-key lock screen, weather, shutdown, payment code, Douyin, , always-on setting, NFC, settings, alarm clock, vibration switch, menu style, factory reset. Slide up menu: recent tasks. Swipe right: split screen (weather, sleep, heart rate, blood preure, blood oxygen, music, common applications). Swipe left: Add applets (heart rate, blood preure, sleep monitoring, blood oxygen, exhalation training, step counting, weather, music, body temperature monitoring). " Package: smart watch*1 charging cable*1 user manual*1 original retail box*1