Sony WM-EX190 Walkman Stereo Cassette Player with Anti-Rolling Mechanism Stereo cassette Walkman with Mega Bass enhancement Anti-rolling mechanism minimizes distortion when the Walkman is in motion due to active use Automatic volume limiter system (AVLS) conserves batteries and guards your hearing Includes dynamic, over-ear headphones and a belt clip Up to 24 hours extended battery life on 2 AA batteries