Product Model :M2323W1 Product Material :Aluminum alloy frame, stainless steel bezel, corning glass Strap Material :Fluororubber Product Dimensions :47mm × 47mm × 12mm Product Weight :44g (without strap) Display1.43" AMOLED display Display Resolution466 × 466, 326PPI Battery Capacity :486mAh Battery Type :Lithium-ion polymer battery Battery Life :Typical usage with Andriod system: 15 days Typical usage with iOS system: 14.5 days AOD usage: 5 days Operating Temperature :-10°C–45°C System Languages :English, German, Italian, French, Spanish, Dutch, Portuguese, Turkish, Arabic, Polish, Ukrainian, Romanian, Czech, Slovak, Greek, Hungarian, Hebrew, Russian, Thai, Vietnamese, Brazilian Portuguese, Indonesian, Swedish, Finnish, Norwegian, Danish, Japanese, Korean, Traditional Chinese Operating SystemAndroid 8.0 or iOS 12.0 and above Satellite Positioning SystemsBeiDou, GPS, GLONASS, Galileo, QZSS Wireless ConnectivityBluetooth® 5.2 NFCSupported *NFC availability may vary by region.