HK80 Smart Watch AMOLED Curved Screen Bluetooth Call Health Monitor NFC Waterproof Fitness Tracker Watch - Gold ¡¾AMOLED Display¡¿Featuring a 1.95-inch AMOLED curved screen with 410x502 resolution,offering vibrant colors and clear visuals. ¡¾Comprehensive Health Monitoring¡¿Track your heart rate,blood oxygen levels,and various physical activities for a complete health overview. ¡¾NFC Support¡¿Enjoy convenient contactless payments and quick data transfers with built-in NFC functionality. ¡¾Long Battery Life¡¿With a 300mAh lithium polymer battery,experience 5-7 days of regular use or up to 30 days on standby. ¡¾Bluetooth 5.3¡¿Utilize the latest Bluetooth technology for stable connections and efficient power consumption. ¡¾Water Resistance¡¿Designed to be water-resistant,allowing you to wear it during various activities without worry. Specifications: Chip Manufacturer: Bluetrum Chip Model: AB5681G App: FitCloudPro Compatibility: Android 4.4and and iOS 10.0and Memory: 184KB RAM,128Mb ROM Display: 1.95" AMOLED,410x502 pixels Touch: Full-screen touch Bluetooth: Version 5.3 NFC: Supported Sensors: STK8321-w (Gravity),HX3918 (Heart Rate) Battery: 300mAh Lithium Polymer Charging: Magnetic charging cable,approx. 2 hours Usage Time: 5-7 days regular use,30 days standby Languages: 19 languages including Chinese,English,German,Russian,Spanish,Portuguese,French,Arabic,Italian,Danish,Czech,Hebrew,Persian,Polish,Swedish,Thai,Vietnamese,Turkish,Croatian,Albanian Package included: 1 x Watch 1 x English and Chinese User Manual 1 x Cable