Fig. 2: Comparison of wearable device architectures.
From: Towards a digitally connected body for holistic and continuous health insight

A Example of a brick and strap style device that confines electronics and sensors in one functional stiff island that gets attached to the body via straps B Example of epidermal electronic device with intimate contact with the skin reproduced with permission from WILEY - V C H VERLAG GMBH& CO. KGAA11 C Hybrid device with adhesive attachment to the skin and reusable electronic component2.