Sell M5 Smart Watch Bracelet Band Bluetooth Waterproof Blood Pressure Heart Rate Fitness digital calorie watch for Women Men Outdoor Sport best price

Main functions: [13 languages can be displayed in Chinese] heart rate monitoring, step counting, calorie burn, distance, RTC display, automatic sleep monitoring, call reminder, message push, alarm reminder, anti-lost, remote camera, etc., tracking, waterproof and dustproof : Anti-sweat, rain-proof and splash-proof Display screen size 0.96 inches Screen type: OLED Connection parameters: Bluetooth Low Energy Bluetooth 4.0 synchronization Other parameters: Appearance material TPE Product size: main body: 12x47x18mm Product color: black, red, blue, pink Data storage: record 7 days of detailed exercise data Battery type: polymer lithium battery Life time: 5-10 days Charging method: USB charging Charging time 1-1.5 hours