Bluetooth Fitness Tracker with Heart Rate Monitor

Description   Are you looking for an intelligent health management economical smart bracelet? This item will be an excellent choice. It uses fashion process design and durable material, wearing comfortable. Built-in 50mAh Lithium-ion polymer rechargeable battery, it can be used for about 7 to 10 days. Nice choice for your healthy life! Features    - Color: Khaki. - Material: PC and TPU. - Size: Approx. 24 x 1.9 x 1.2cm/ 9.4 x 0.7 x 0.47 inch (LxWxH). - OLED display screen: 0.86 inch. - Waterproof: IP67. - Battery capacity: 50mAh.- Working time: 7-10 days.- Charging time: 1 hour. - Data storage: Storage 7 days' sports data. - OS requirement: Android 4.7 and above, IOS 7.1 and above, with Bluetooth version 4.0.- Record all-day activities like steps, distance, calories burned, active minutes. Great as sleep status monitor and sedentary reminder.- Heart Rate Monitor: Check your heart rate automatically or manually; know your all-day heart rate and view heart rate curve to get a clear picture of your health.- Calls and Messages Reminder: Remind call, SMS and SNS notifications on your fitness tracker.- Easy to charge in any USB port, no cable needed. One full charge gives you up to 5-7 days of working time.- See your daily activity and time on 0.86 inch OLED Display screen.