Residual marketing is easy with to the Bluetooth Speaker & Power Bank Gift Set with Pen, Bottle, & 2 in 1 Data Cable. With uses such as Business Gifts, Promotional Gifts, Daily Use, Advertising Promotions, Commercial Gift and features like High Quality Material, Adapter with Type C port, Smooth writing Pen, Quick charging Power Bank, Executive Metal Pen, 350 mAh Power Capacity Blutooth Speaker, 2 in 1 Data Cable, your clients will see your company brand and message longer which will aid in closing on large purchases.