Accurately identifies movement posture and captures heart rate changes every second Switch between multiple exercise modes, record exercise duration and calories burned IP68 waterproof rating with excellent sealing and dust resistance; safe to wear in rain or wet conditions Continuously records sleep data to help improve sleep patterns and quality Supports custom dial settings for a personalized watch face based on preference and mood Connects to smartphone to display song information and control music playback Specifications: Material Screen size: 1.5-inch color screen Screen type: TFT Middle frame material: Plastic Cover material: Glass Wristband material: TPU Product dimensions: Length 39.7mm, Width 35mm, Thickness 10mm Hardware Main chip: 5515 Acceleration sensor: Supported PPG heart rate sensor: PD70-01C-TR7 Touch IC: Hynitron 816S Touch mode: Full touch Physical buttons: 1 Motor: Flat motor Display 1.5-inch square screen, TFT IPS with full viewing angle Resolution: 240x280 Flash memory: 128MB Bluetooth version: BLE 5.0 Bluetooth antenna: FPC welding antenna Battery Type: Polymer Capacity: 170mAh, 3.7V Charging method: Magnetic cable, DC-5V Charging time: Approximately 1 hour Waterproof rating: IP68 Supported languages (APP): Chinese, German, English, Italian, Spanish, French, Japanese, Russian, Portuguese Supported languages (Watch): Chinese, English, German, French, Japanese, Portuguese, Russian, Italian, Spanish, Polish Health monitoring features: IP68 waterproof: Supported Heart rate detection: Supported Heart rate interval monitoring: Supported Blood pressure monitoring: Supported Sleep monitoring: Supported