M152s micro compact design is different than the ordinary wireless transfer devices. With their large size and heavier in weight causing by the built in Wi-Fi module and the battery, ordinary wireless transfer devices are inconvenient for mobile usage. The mini size M152 is only 2.5g. That makes sure it wont interfere with other accessories while using on computer or car audio system. The excellent design has truly make Team M152 a product with multifunction and unlimited enjoyment.