Newest Xiaomi N8 Max Smart watch Specifications: Display screen : 1.4 inch AMOLED full touch screen, Resolution: 400*400 BT version : 5.2 Memory : 128M Compatible systems : Android 5.0 (above), for IOS10.0 (inclusive) and above Battery Capacity : 300mAh Refresh Rate: 90MHz+48MHz RAM : 256mb Case: Stainless Steel / On IML process Waterproof rating : IP68 Charging way : Wireless charging Life time : Use 3-5 days, standby 7 days APP : Wear fit Pro Size : 45mm Charger Specifications: DC 5V