Name & Model Number Multi-Media MP4 PlayerM-500 Outline Color Golden (Silver, Black, Blue) Inside Storage 1.8擧DD 20G(Optional: 40G, 80G) Extend Memory CF Card Accessories Standard Stereo Headset (Optional: Four Track Headset) Quakeproof Play 5 Minutes Play Format OGG Vorbis WMA MP3 (MPEG1/2/2.5 Layer3)WAVBMPJPG(ID3 VI , ID3 V2 V2.0 , IDE V2 3.0) Play Compress Ratio 32~320kbps;OGG (32~500kbps, 44.1KHz) Data Transmission Speed Max: 25MB/S(Actually) EQ Mode NormalRockJazzClassicUltra BassUser-Defined: Five Segment Equalizer Play Mode Multiple MusicPictures IndependentMixed Play Frequency Response 20HZ-20000HZ TFT-LCD Screen 264K color 2.2拻 TFT Languages English, Chinese, German, Russian, Korean, Japanese etc. Sequence Play Time About 8 ?0Hours (Min:8 Hours, Max: 15Hours Screen Shot) Sequence Record Time Depend on Hardware Capacity Charge Time About 4 Hours Circuit Control Type D Series, (Not Support Four 4 Track Headset) Output 2 Tracks/4Tracks Stereo OutputSupport I2C Interface Circuit ControlSupport outside 2 Tracks Record Transmit Interface USB 2.0 Audio Output 20mW + 20mw(16Ω),94dB Size (L*W*H) 122*78*23 Weight 180G Power Supply 1. AC Adapter (DC5.0V, 2A)2. Inside 1200mah Lithium Battery Attached Software Pending System Request - OS：Windows 98 SE/ME/2000/XP- CPU：≥Pentium 133MHz - HDD：≥10MB HD - OS：OS X - HDD：≥10MB HD Enclosed Accessories 1. Headset2. USB Line3. Outside Microphone4. Portable Bag5. AC Adapter6. User Handbook7. Warranty Card8. CD-Rom Function Update Support upgrade on Line Other Functions Windows browser Optional Equipments D Series Display Circuit Control;4 Tracks Headset; Outside MIC; Outside Seat