However, a keydrive or any other device may be formatted using another filesystem (for example HFS Plus on an Apple Macintosh, or Ext2 under Linux, or Unix File System under Solaris or BSD).
USB | Mass | Mass media | USB flash drive | Mass (liturgy) | mass media | Gym Class Heroes | mass | class action | class | Improvised explosive device | Mass Effect | Class A | working class | Mass of Paul VI | Charge-coupled device | Weapon of mass destruction | Tridentine Mass | pound (mass) | Mass production | Mass in B Minor | Mass in B minor | DB Class 218 | Class War | British Rail Class 37 | Social class | Personal flotation device | Mass Effect 3 | improvised explosive device | British Rail Class 47 |
Recording via built-in microphone or FM radio in ADPCM WAV (32 kbit/s mono or 64k bps stereo; using FFmpeg codec named adpcm ima wav), ACT (8 kbit/s) or VOR (32 or 8 kbit/s) formats, and ability to play back these files locally or via Windows Media Player when connected as an MSC device.