This guide provides information on using QR codes on consumer electronics packaging to increase customer engagement and lifetime value. It discusses how QR codes can connect real-world information to online experiences. The guide reviews statistics on smartphone usage and QR code scanning in retail environments. It then outlines several benefits of using QR codes, such as providing more information than can fit on packaging or guiding customers through product setup. The guide also presents best practices for QR code usage, like ensuring the mobile content is relevant and optimized for phones. Finally, it shows examples of how companies have implemented QR codes on products.