$15 with coupon for NO.1 F1 Tech Watch Smart Bracelet Black from GearBest

Main Features:
– Heart Rate Monitor
Built-in ADI sensor, low-power consumption, accurately monitor your heartbeat in real-time, grasp heart rate condition at any time
– Sleep Management
Automatically monitor and record your sleep quality, help you improve your sleep status
– Sedentary Remind
Set a time in advance by yourself, and then it will remind you to get up and walk, improve bad and unhealthy lifestyle
– Information Notifications
It will remind you by vibration when receive calls or SMS, not miss any important information
– Support OS
Support Android 4.4, iOS 8.0 and above systems
– APP Download
You can search the name called “X-RUN” in the Google Play or App Store to download the APP, open your new sports life
– 0.91 inch OLED screen, displays time and date, but not always keeps a normally on state
– It doesn’t support Bluetooth headset function, no timer function
– About 3 hours charging time, 100 days standby time
– You cannot change it into 12 hours format because it has only 24 hours format
– RAM: 42KB, ROM: 84KB
– Chip: German Dialog DA14580 chip
– You have to turn on the heart rate monitor, then it will work
– Time display mode: only be sidewards, can’t be vertical
– Can’t adjust the brightness