Astell & Kern AK Jr. High Resolution Music Player with Brown Leather Case & Portable DAP Charger Kit AK Jr Music Player with 64GB internal memory, Astell&Kern AK Jr. Leather Case with Extreme Audio Travel Charger Kit Bit-to-Bit Mastering Quality Sound (MQS) Wolfson WM8740 x1 (Single DAC) 2.8 MHz DSD Support 64GB Internal Flash Memory 10-Band EQ Integrated Volume Wheel Brushed Aluminum Body