Fun color round 3D plastic disks highlight these travel earbuds! They feature comfort silicone for form-fitting design, 9.0mm speaker, and a clear silver gift box. The frequency range is 20-20khz, the max input is 100mW, the cable length is 42", and the item size is 11/16" x 18". It's the perfect promotional gift for schools, community centers and electronics stores. Your silkscreened logo will attract the curious and fascinated!