Sony Walkman NW-A20 walkman features: Hi-res Audio playback up to 24-bit/192kHz Bluetooth (Tx only) 2.0-inch LCD color Display Navigation D-Pad and volume rocker 16GB (NW-A25)/32GB (NW-A26)/64GB (NW-A27) capacity plus micro SD card x1 expansion slot (up to 1.0TB tested) Supports most popular...