... into a high quality audio speaker, such as floor, table, wall, window, desk, wooden, metal, plastic and any hard materials.( ... ABS plastics material shell Parameters 1. Power Supply DC5V~6V,built in rechargeable lithium battery2. Power Consumption Maximum 3W 3.Frequency Response 100Hz ... USB port and headphone audio output jack. b. Built-in battery power supply mode connect the mini USB end to the vibro ...