The PERfECT System – Personalised Electronic Reader for Electrochemical Transistors – measures 1.5cm x 1.5cm x 0.2cm and weighing 0.4g. This wearable device can be integrated with a smartwatch or patch to allow for continuous monitoring of biosignals such as glucose levels and antibody concentrations in blood and even sweat. It is tiny, soft and imperceptible to wearers, and it can do continuous monitoring of our body condition.