JVC RV-NB52, 15 lbs (6.8 kg), Black, Portable CD player JVC RV-NB52. Audio formats supported: MP3, WMA, Frequency range: 20 - 20000 Hz. FM band range: 87.5 - 108 MHz. Device type: Portable CD player, Product color: Black. Power requirements: 230 V, 50 Hz. Weight: 15 lbs (6.8 kg)