Description： Memory: 2GB External Memory: SD C Card (Max 4GB) Display: Mini backlit LCD Screen Display Time /Alarm/FM/Card information Music Format: MP3, WMA Bit rate: 8-320Kbps FM radio: 88.0~108.0 MHz SNR (Signal to Noise Ratio): >85dB Output of Speaker: 4W x 2 USB: 2.0 System: Window 98/2000/XP Power Source: 5V DC Dimension: 85x85x90 (LxWxD) Manufacturer Ref.: Y9KQ2PCR23P6 Other Features: Digital Clock Digital Alarm Clock FM or particular MP3 file as alarm Snooze function Sleep function Two Mode Play (order, random) 3.5mm Line In for connecting to other sound sources