FiiO X7 High Resolution Digital Audio Player with Leather Case with K5 Docking Headphone Amplifier/DAC This Item Includes: FiiO X7 32GB High-Resolution Audio Player - Light Sensor - Accelerometer - USB Cable - Coaxial Digital Adapter Cable - 3x Screen Protectors (1 Already Applied to Screen In-Factory) - 4x Module Mounting Screws - Screwdriver - Protective Shell - Quick Start Guide - FiiO 1 Year Warranty, K5 Docking Amp, Leather Case and Coaxial Connection Kit Operating System: Deeply customized Android 4.4.4 CPU Model: Rockchip RK3188 + ES90185 DAC Chip QUAD CORE Headphone and Line/Digital Coax Output Optional AM2, AM5 Amp, Remote Control, Diginis Leather Case Sold Separately..