Female Health Mode Breathing Training Mode 5ATM & 14 Sports Tracking 2.5D High Hardness Glass Call & Message Notification Music Play MCU: Nordic nRF52840 Sensor: Accelerometer, Heart Rate,Light Sensor Display: 1.3 Inch TFT-LCD Screen, Single Touch, 240*240 Resolution Working Time: 10 Days Standby Time: 45 Days Water Resistant: 5ATM Bluetooth: BLE4.0, Support BLE5.0