OUMAX Bluetooth Fitness Activity Wristband Smart Bracelet Pedometer Sleep Monitor With Metal Case Color Black

ERI is a newly design smart wristband for fitness: It can track your steps, calories, distance automatically. You can wear it to run, swim, cycle, climb. At night, it tracks your sleep quality and wakes you up silently in the morning. You can watch time, temperature, and how the goal you have achieved on the display. Even more, you can bring more features with ERI SDK
Motion Type Recognize Automatically: With DigiCare’s intelligent algorithm, ERI can recognize regular motion type automatically. When you are walking, running, swimming, cycling, climbing, sleeping, ERI will record the duration for each motion type and show on the App
Sync your stats, See your progress: ERI automatically sync your date to iOS devices and select Android phones without plugging in or pushing buttons. This gives you real-time access to your stats on the DigiCareMobile throughout the day

Track Sleep
Wireless syncing
Track Activity

Official replacement accessory wristband for the Fitbit Flex.

please note this is third party charger , not official charger, it is a little bit different in size, material and appearance than the official charger
it was designed with golden USB 2.0 and charger pins, TPU material, durable and strong USB 2.0 connector
charges fast, can charge the fitbit one in full battery in mintues