Grace Digital MatchStick Charging Speaker Dock for Kindle Fire HD and HD 8.9"- Portrait and Landscape Modes Certified "Made for Kindle" accessory (Kindle Fire HD 7" and Kindle Fire HD 8.9") Interchangable docking system supports both Kindle Fire HD 7" and Kindle Fire HD 8.9" in portrait and landscape modes Features two 3" full-range speakers with ported bass system for crisp, clear sound from a compact package MicroHDMI port charges your device, while the bluetooth module streams music