【1.19 Inch AMOLED Display】Features a high-definition 1.19 inch AMOLED square screen with 390×390 resolution for crystal-clear visuals and customizable watch faces. 【100+ Sports Modes】Built-in professional sports tracking for running, yoga, cycling, swimming and 100+ other activities with precise step counting, distance, and calorie burn calculation. 【Bluetooth-compatible Calling】High-definition Bluetooth-compatible voice calling allows you to answer and make calls directly from your wrist without reaching for your phone. 【Women's Health Features】Specialized menstrual cycle tracking and management functions designed specifically for women's health monitoring and wellness. 【Smart Notifications & SOS】Real-time message push notifications, call reminders, and one-touch SOS emergency assistance for enhanced safety and connectivity. Specifications: Model: SW03 Memory: FLASH 128M Screen Size: 1.19 inch Screen Resolution: 390×390 Material: Metal case with leather strap Battery Capacity: 180mAh (3.8V Lithium Polymer) Standby Time: 25 days Working Time: 4-7 days Charging Time: 2-3 hours Heart Rate Sensor: Dynamic heart rate with wrist-off detection Charging Method: Magnetic wireless charging Waterproof Level: IP68 Sport Modes: 100+ modes Compatible System: iOS 9.0+, Android 5.0+, HarmonyOS 2.0+ Product Size: 38.6×38.6×10.9mm Package included 1 x Smart Watch 1 x English User Manual Specifications Brand Ldnio Certificate CE-EMC,CE-RED Color Silver Packaging Type Paper Box Plug Type (For Supply) N/A User Manual (Language) English Gross Weight 0.078kg Volume Weight 0.022kg Package Length 7.010cm Package Width 6.300cm Package Height 2.200cm