The M4 Lite tag is a small BLE tag that is portable and easy to be deployed. Compared with other asset tracking tags on the market, it achieves significant breakthroughs in cost, distance and sustainability, thus becoming the best choice for asset tracking in scenarios such as medical device tracking and shopping cart tracking. Moreover,its various firmware features enable it support multi-type asset tracking and positioning model, which allow users to change parameters as per different scenarios with much more flexibility.