1. Supports MP3, WMA formats, 2) Full-frequency (206 frequency points) professional launch chips, sending high-fidelity stereo 1. Supports MP3, WMA formats,2) Full-frequency (206 frequency points) professional launch chips, sending high-fidelity stereo audio signals3) Ultra-thin series, classic appearance, flat interface operation.4) Intelligent memory frequency songs and volume5) Shows the song ...