Health & Fitness smartwatch Battery Life smart watch watch for women|Smart Watches( Black)SpecificationsModel: GTRMain body size: 45*45*1 1.6mmWeight: 51 gStrap Length: 120 mm (long), 75 mm (short)Strap Width: 20 mmDisplay: 2.5D Glass + 1.3" IPS Full Round Color Touch ScreenResolution: 240 x 240 pxcolor?BlackSensors: Heart-rate sensor, Proximity sensor, AccelerometerBluetooth Version: Bluetooth 5.1Battery: 180 mAhCharging Time: 1.5 hoursBattery Life: 30 days (Power-saving Scenario); 18 days (Typical Usage Scenario)Water Resistant: 30 MetersApp: H BandCompatability: Android 4.4 or iOS 9.0 and aboveAPP LanguageEnglish, Portugus(Brasil), Portugus(Portuguesa), ???????, Espaol, Italiano, Franais, Deutsch, Trke, ?etina, Polski, ???????, , ???, Arabic, Persian, Ti?ng Vi?tMessage Push LanguageChinese, Japanese, Korean, Latin, Cyrillic; Latin includes: (English, French, Spanish, Portuguese, German, Dutch, Vietnamese, Northern Europe, Central Europe, Southern Europe Italian, Southeast Asia, Africa); Siri Irvine includes: (Russian, Eastern Europe, Asia), covering 150 countries Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.