I5 Plus supports full USB which allows a user to charge it from any of the compatible USB port and does not require any external charger or adapter.
The companion app Zeroner requires you to log in, to keep your data on track and sync with the smartphone so that you will not lose your records. I5 Plus is able to keep a record of your data for more than 1 day, even if you don’t connect the smartphone, it will keep track of your data and when you connect to the smartphone, it will automatically sync the data with the smartphone which is one of the best reason why I am still using this smart fitness band.
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|i5 Plus Sleep Tracking
Talking about the fitness tracking, it can track almost every step you walk, as no fitness track is accurate so the accelerometer data can be taken as an estimation.