【Vibrant 1.5" Display】Enjoy clear visuals on the 240x280 resolution TFT IPS full-view angle screen, perfect for at-a-glance information. 【Versatile Health Monitoring】Advanced sensors provide continuous heart rate detection, sleep tracking, and step counting for comprehensive health insights. 【Multi-Sport Modes】Track various activities including running, mountain climbing, cycling, and walking with detailed metrics like heart rate, calories, steps, and distance. 【IP68 Waterproof】Designed to withstand water exposure, making it suitable for everyday wear and light water activities. 【Long-lasting Battery】With a 170mAh battery, the W99 smartwatch offers extended use and quick charging in about 1 hour. Specifications: Material Screen size 1.5" color screen Screen type TFT Middle frame material Plastic Surface shell material Glass Wristband material TPU Dimension Product size Length 39.7mm*Width 35mm*Thickness 10mm Hardware Main chip 5515 Acceleration sensor Support PPG heart rate sensor PD70-01C-TR7 Touch IC HYNITRON 816S Touch mode Full touch Physical button 1pc Motor Flat motor Display 1.5 inch square screen, TFT IPS full viewing angle Resolution 240*280 Flash 128MB Bluetooth version BLE5.1 Bluetooth antenna FPC welding antenna Battery type Polymer Batt