73*48*15mm 50g Black/white 2.0" TFT , 260K Colour Screen Memory Capacity :256MB/512MB/1GB/2GB Connecting to PC:High Speed USB 2.0 Power Supply :Max 8 hours play mode Voice Recorder Sample rate:8KHz Format:WAV(32K bps), ACT(8K bps) Time :35hours (ACT, 128M Flash) MP1,MP2,MP3, WMA,WMV,ASF Max. Output (L) 10mW + (R)10mW (32Ohm) MP3 Bit rate :8K bps-320K bps WMA ,WMV ,ASF Bit rate 5K bps-384K bps Freq. Response 20Hz to 20KHz SNR 90dB FM Radio Freq. Range 76MHz-90MHz/87MHz-108MHz Max. Stored Channels 20 + 20 Max. Output (L) 5mW + (R) 5mW(32Ohm) SNR 45dB Music and movieFormats MP1,MP2,MP3,WMA,WMV MEPG-4 Operate Temperature -5 to 40 degree Multi-Languages Display Chinese/English/Trad English Built-in speaker,with card slot and play games Operating System Packing colourful gift box