The mechanical style design has a hard-core aesthetic, and the unique design matches the Transformers figures with a mecha style full of technology. Exclusive color matching styles, choose the hero you admire. The unique heavy metal design is stunning and mysterious.Official Hasbro & Paramount Pictures Corporation licensed product.Upgraded to Bluetooth 5.3, the connected device is stable without lag and can be continuously connected.HD sound phone calls.Touch design.Ergonomic semi-in-ear design, compact and skin-friendly, comfortable to wea