【1.58 Inch AMOLED Display】Features a high-definition 1.58-inch AMOLED touchscreen with 480×480 resolution and 1000nit brightness for crystal-clear visibility even in direct sunlight. 【Air Pump Blood Pressure Monitoring】Advanced air pump technology provides precise blood pressure, blood glucose, heart rate, blood oxygen, ECG, and stress monitoring for comprehensive health management. 【100+ Sports Modes】Built-in professional sports tracking supports running, cycling, swimming, fitness and over 100 exercise modes with accurate step counting, distance, and calorie tracking. 【Bluetooth-compatible Calling & SOS】High-definition Bluetooth-compatible voice calling allows hands-free phone calls, plus one-touch SOS emergency assistance for safety protection. 【Smart Notifications & Long Battery Life】Real-time message push notifications and call reminders keep you connected, while optimized power consumption design ensures extended daily usage. Specifications: Model: SW01 Memory: RAM 960K SRAM+64Mb pSRAM / ROM 1GMb NAND FLASH Screen Size: 1.58 inch Screen Resolution: 480×480 Material: Zinc Alloy Frame, Silicone Strap (70°±5° Hardness) Bluetooth-compatible Version: BLE5.2 (Connection) + BT3.0 (Calling) Heart Rate Sensor: VP60A2+VC9202 Battery Capacity: 360mAh (3.8V High Voltage Lithium Polymer Battery) Charging Method: Magnetic Wireless Charging, DC5V≥500mA Input, ≤3.5 Hours Full Charge Waterproof Level: IP68 Compatible System: iOS 9.0+, Android 5.0+ Sport Modes: 100+ Product Size: Ø46.8×12.4mm 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