15 ft PTC Premium Grade GOLD Series USB2.0 A to Micro B Certified cable for MP3, Cell Phone, BlackBerry, Digital Camera, Digital Camcorder, Game console... USB2.0 Certified Type A to MICRO B Gold Plated with Ferrite Premium Double Shielded with ferrite to prevent signal interference thus Best Quality Data Transmission GOLD plated connectors for superior signal transfer Ferrite Core to filter out noises/interferences LIFETIME Warranty!