Cute design with bright color Card support, Portable, suits for sports, such as bike rider, jogger ... =0.15% @ 1.5W SNR=94dB @ 1.5W, using Japan original material, EarphoneOutput: THD+N=0.6% @ 32?SNR = 92 dB ... : MP3/WMADimensions: 88 X 35 X 35 mm Mini TF card speaker for laptop mp3 mp4 iphone portable