Fiio K1 Portable Headphone Amplifier&DAC and USB DAC, Titanium;

Less ThanbGreater Than Professional Audio Architecture Less Than/bGreater Than Utilizing savitech's SA9023A USB receiver to decode USB audio and then TI's high fidelity, low noise PCM5102 DAC chip, which outputs to the TPA61332A headphone driver. Its self-muting function can greatly reduce power on/off transients, giving a hassle-free music experience. Outstanding Sound No charging required Plug and play Thumb-sized portability Less ThanbGreater Than Pleasant Metal Texture Less Than/bGreater Than All metal chassis is sandblasted for optimal sheen, texture, durability of appearance and hand grip. Less ThanbGreater Than Plug-and-Play Audio Upgrade Less Than/bGreater Than Connect the K1 to a computer via the supplied USB Cable and obtain instant music gratification. The K1 has no battery, needs no charging and requires no drivers, yielding the perfect Plug-and-Play experience. Less ThanbGreater Than Unimaginably Small Less Than/bGreater Than Smaller than many thumb drives in the market, the K1 weighs a feather-light 11.3g and comes with a removable clip for convenient carrying.