Material: Zinc alloy + pc + glass fiber + silica gelChip: MTK2503AScreen: 1.3″ Full-screen Touch Resolution: 240x240Battery capacity: 320mAhWaterproof: IP68BT: V4.0GPS: SupportBattery Life: 4-5 DaysStandby time: 7-10 DaysSuper power saving mode: 14 DaysGPS Usage: 10-12 hoursFeatures: message push/social media information reminder, photo control, anti-lost
reminder, real-time weather, raised hand screen, sedentary reminder,
built-in GPS recording track (outdoor running, riding, climbing,
marathon) , heart rate / blood pressure monitoring