Easy to carry Fits any pocket Light Fits in a shirt pocket High resolution Audio All file formats Great Sounding music Wide soundstage High signal to noise ration Low distortion -- Distortion free Deep, detailed slightly warm high resolution music World famous Burr-Brown decoder All popular Hi Res file formats including Native DSD up to 5.6 MHz Market-Leading Low Out-of-Band Noise Selectable Digital-Filter Latency and Performance No DC Blocking Capacitors Required ntegrated Negative Charge Pump internal Pop-Free Control For Sample-Rate Changes Or Clock Reproduces the original recording before any compression or loss of detail Low power for extended battery life Stable system with no jitter Easy to navigate Intuitive Control play/Pause -- and -- Next/Previous -- with one finger enormous storage expansion for music files System can handle up to 14,999 files Flexibility in listening options Headphones, earphones, or In-ear-monitors Line out for hooking up a home audio system or attaching to car audio via aux cable Lightweight and durable High Quality, solid feel Protects components inside Drives blue Tooth earphones Can be used as an amplifier for other devices Objective To teach the benefits of Hi Res Music. Mp3 files are old school. They were developed when storage was expensive and transmission speeds were slow. Todays technology allows for much higher resolution music listening both at home and on the go. The H2 model uses modern, proven components to design an easy to carry, long battery life, great high resolution player which is low cost and durable. The famous, proven Texas Instruments, Burr Brown DAC is used because of its known sound characteristics and low energy consumption. This with the Rockchip Nano D Dual core microcontroller offers a stable system with many benefits.