Ultra slim bluetooth wireless speaker with powerful bass and clear sound, quality leather outer cover for style. Portable Wireless Car Bluetooth Speaker with metal hook for use on bicycles and outdoor purposes. Supports micro SD and AUX/FM. One of the most remarkable features of this earphone is the built-in pendant, which allows you to easily get the Bluetooth working state. For this earphone, it is made with premium materials and delicate workmanship, with guaranteed quality and comfort.