•Bluetooth-compatible Capabilities: Supports Bluetooth-compatible calls,Bluetooth-compatible music,and remote photo capture •AMOLED High-Resolution Display: Features a high-definition resolution of 466*466 with an always-on display •Health Monitoring Functions: Offers 24-hour continuous heart rate monitoring,precise sleep tracking,red light blood oxygen monitoring,HRV (Heart Rate Variability),Lorenz scatter plot,MET (Metabolic Equivalent),women's health tracking,blood glucose monitoring,breathing exercises,and stress testing •Practical Functions: Includes over 100 sports modes,mini-games,a timer,a calculator,a voice assistant,a flashlight,split-screen UI,and more Specifications: Parameter Screen size 1.43-inch AOMLED Resolution 466*466 System requirements Android 5.1 and above,IOS 8.2 and above,support Bluetooth-compatible 4.0 Bluetooth-compatible version Bluetooth-compatible 5.3 Master chip JL7013A Heart rate chip GH3018 G-Sense KX1057 Battery capacity 280mAh Body memory RAM 640KB+ROM 2M External memory 128M Standby time 10-15 days Battery life 5-7 days Battery life 2 days Charging method Magnetic charging Motor Built-in,vibration reminder Waterproof level IP68 Material Aluminum+plastic Watch size 43.7mm*11.8mm Strap width 22mm APP name Hband UI language Default language (English): Chinese,Japanese,English,German,French,Italian,Spanish,Portuguese,Russian,Indonesian,Romanian,Arabic,Arabic Package included: •1 x Smart Watch •1 x Charging Cable •1 x English and Chinese User Manual