K21 smartwatch with body temperature, heart rate monitor and multisport mode

K21 Smartwatch with body temperature, heart rate monitor and multisport mode: Functions: • Call notification, SMS reminder, push type message reminder, from applications such as WhatsApp, Facebook, Twitter, etc. • Alarm clock, remote camera • Synchronized data with free APK / APP. Download "WearHealth" from Android market, Google play or Apple store • Detachable 20 mm strap, compatible with “Quick Release” system. Health functions: • Body temperature monitor (thermometer). • Heart monitor, blood pressure, blood oxygen detection • Timer, pedometer, calorie consumption, distance calculation, heart rate, blood pressure, sleep time, stop time. • Sleep detection (Sleep time, sleep quality) • Task reminder: sedentary lifestyle, drink water, medications and meetings. Chip: Realtek8762C 1.3 inch IPS round screen, 240x240px Android system version 4.4 or above; iOS system version 8.0 or higher; support bluetooth with version 4.0. Bluetooth: 5.0 Memory: 512KBCPU （Flash64MB） Battery: 230mAh Standby duration: up to 30 days Duration in use: 7-10 days Vibration alert Sealing: IP67 HX3380 + HX3601 NTC Sensor G STK8321 APP: WearHealth PVC and metal alloy