Collaboration design project with Jabra corporation, Hailun Zhou, Javier Urrutia Gonzalez, Charlotte Yan, and Piotr Gurga during the student exchange program in Denmark Copenhagen. The main design objective is to design a Bluetooth earphone which targeting elders, with simplified functionality and combination of natural element, we proposed the concept of Jabra Leaf. The outcome of the project received the highest score among the class.