Cal9 Smart Watch

cal9 #34;TACTICAL #34; Smart Watch Specifications : Dimensions 47.7 X 47.7 X 13.5mm Weight 59.4g (with strap) Body material Polycarbonate Strap material Silicone rubber Strap length 122mm (long), 78mm (short) Strap width 22mm Water-resistance grade 10 ATM Touchscreen Tempered glass + anti-fingerprint coating Display 1.3 inch HD AMOLED Display Resolution 360 X 360 Always-on Display Sensors BioTracker 2 PPG bio-tracking optical sensor 3-axis acceleration sensor 3-axis gyroscope sensor Geomagnetic sensor Ambient light sensor Barometric altimeter Positioning GPS+GLONASS, GPS+BeiDou, GPS+Galileo Bluetooth Bluetooth 5.0 BLE Battery 390 mAh lithium-ion polymer battery (typical value) Charging time Up to 1.5 hours Charging method Magnetic 2-pins Pogo Pin Battery life Typical usage: up to 18 days Heavy usage: up to 9 days GPS continuous working time: up to 40 hours Operating system RTOS Supported devices Android 5.0 or iOS 10.0 and above (connect to iPhone and Android easily) Packing list Watch body (including standard strap) Magnetic charging stand User manual App Zepp App 100+ Sports Modes