Suitable for men,unisex,teenagers,couples,adults,seniors Battery capacity 230mAh Operation mode touch + button Wristband material silicone Product weight 100(g) Packing listProduct+charging cable+instructions Strap style Sport Compatible platform iOS FunctionsWaterproof,Photo,Pedometer,Heart rate monitoring,Blood pressure measurement,Smart reminder,Remote selfie,Sleep monitoring,Blood oxygen detection ColorBlack,Blue,Pink Communication Type Non-cardable Life expectancy 7-14 days Charging method magnetic charging Waterproof rating Screen type IPS Mould type private mould Dial style square Product size 46.5mm*38.5mm*11mm Menu language Multi-language G20 Bluetooth smartwatch features: 1. HD large display, Bluetooth call (APP once connected) 2. Rich applications (voice assistant, weather, calculator, calendar, stopwatch Watch, women's health alert, etc. 3,Practical features (1P67 waterproof, heart rate, multi-sport mode, etc.) Bluetooth call, call log, frequently used contacts, dialing, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring, message notification, water reminder, sedentary reminder, alarm reminder, women's health reminder, stopwatch, timer, alarm clock, find phone, activity log, calendar, weather, voice assistant, breathing, torch, music control Sports modes: walking, running, cycling, basketball, football, badminton, jump rope, table tennis, tennis, baseball, yoga, full touch, single side button, multi-dial switch, do not disturb mode, app download Screen size: 1.83", Resolution: 240 x 280 System requirements: Android 5.1 and above, 10S8.2 and above, Bluetooth 4.0 support Bluetooth version: BLE5.0 Main control chip: BK32886 Heart rate core Chip: SC7R31 Battery capacity: 230mAh, Standby time: 7-10 days, Battery life: 3-5 days Duration: 3-5 days Charging method: two-cell long magnetic charging