Lintelek Fitness Tracker Heart Rate Monitor
All-day Activity Tracking: Accurately record all-day activities like steps, distance, calories burned, active minutes and sleep status and with 14 sports modes, it helps you better understand each sport. (3 default exercise modes and additional 11 exercise modes can be added)
Heart Rate and Sleep Monitoring: Automatically track your real-time heart rate continuously and sleep duration by comprehensively analyzing your sleep quality data to help you adjust your healthy lifestyle.
Long-lasting Battery and Life Waterproof: IP67 waterproof activity tracker allows you to wear it in the rain or when washing hands (Don't wear while swimming). Full charge requires only about 1-2 hours and the standby time can be up to 5-7 days with full power. No need the USB charger.