Panasonic SL-SV590 Portable CD Player and Headphones (Blue/White) D.sound Technology and H.bass Technology provide digital clarity and dynamic bass sound Sleek blue design with stylish stereo headphones Sampling frequency (CD - DA): 44.1 kHz; supported sampling frequency (MP3): 48kHz/44.1 kHz/32 kHz Measures 5.5 x 1 x 5.5 inches (WxHxD); weighs 7.6 ounces with batteries (six ounces without)