A wearable device for securely remaining coupled to a user and recording data pertaining to the user is provided. The device includes a main body, which has a display for viewing, a magnet for aligning the main body to other objects, a rechargeable battery for powering the main body and a computing module for storing, transferring and analyzing data. The device also includes a band extending from a first end of the main body to a second end of the main body for permitting coupling of the device to a user. The band may include anti-tampering features for preventing uncoupling of the device from a user without detection. The wearable device includes a charger to be worn adjacent to the device for wirelessly charging.