Cowon iAudio A2

Cowon iAudio A2

Cowon iAudio Q5W

Cowon iAudio Q5W

iPod Nano 3G

iPod Nano 3G

Sony A820

Sony A820
General
Dimensions: 133.0 x 78.0 x 22.0 mm 138.8 x 88.5 x 20.0 mm 69.8 x 52.3 x 6.5 mm 50.2 x 93.9 x 9.3 mm
Weight: 293.0 g 380.0 g 49.2 g 58.0 g
Colors: White Dark Navy Silver, Black, Blue, Red, Green Black, Pink
Price: $250 / $320 $550 / $600 $150 / $200 $270 / $320
Storage
Memory Type: Hard Drive Hard Drive Flash Flash
Capacity: 20GB / 30GB 40GB / 60GB 4GB / 8GB 8GB / 16GB
Hard Drive Size: 1.8" 1.8" N/A N/A
Expansion Slot: SD, SDHC, Other
SD/MMC support
Screen
Display Type: LCD LCD LCD LCD
Display Size: 4" 5" 02" 2.4"
Display Resolution: 480x272 800x480 320x240 320x240
Display Color: 16.7m 16.7m 64k 262k
Touch Display: No Yes No No
TV Out: Yes Yes No Yes
TV Out Requires Dock
Supported Formats
Audio: MP3, WMA, FLAC, OGG, WAV MP3, WMA, AAC, FLAC, OGG, WAV, APE MP3, AAC, WAV MP3, WMA, AAC
Video: MPEG-1, MPEG-4, DivX, XviD, WMV MPEG-4, DivX, XviD, WMV H.264 MPEG-4, H.264
Photo: JPEG, BMP, PNG JPEG, BMP, PNG JPEG JPEG
Other: TXT TXT, PDF N/A N/A
Linear PCM Audio
Battery
Battery Type: Non-Removable Removable Non-Removable Non-Removable
Audio Life: 18.0 hours 13.0 hours 24.0 hours 33.0 hours
Video Life: 10.0 hours 7.0 hours 5.0 hours 9.0 hours
Controls
Control Type: Tactile Touch, Tactile Touch, Tactile Tactile
Dedicated Volume Buttons: No Yes No Yes
Recording
Video Recording: Yes Yes No Yes
Audio Recording Format: WAV, MP3 WAV, MP3 N/A N/A
Audio Recording Options: Voice, FM, Line-in Voice, FM, Line-in N/A N/A
Records with optional dock
Accessories
Included Accessories: Carrying Case, Strap, CD-ROM, Earphones, AV Cable, USB Cable, Line-In cable, USB Host Cable USB cable, USB host cable, Stereo headphones Earphone, Proprietary USB Cable, Dock Adapter Premium Headphones, Headphone Extension Cable, Proprietary USB Cable, Dock Insert. *8GB version is bundled with Bluetooth headphones.
Available Accessories: Cases, Car Chargers, Belt Clips, TV Tuner (DVB) N/A Cases, Docks, Speaker Docks, Cases, Docks, Speaker Docks
Music Browsing & Management
File Browsing: File Folder ID3 Tag, File Folder ID3 Tag ID3 Tag, File Folder
On-the-go Playlists: Yes Yes Yes No
On-the-go Deleting: Yes Yes No No
Bookmarks: Yes Yes No No
Data Transfer
Transfer Protocol: MTP/MSC User Select MTP/MSC User Select Other MTP
Connection Type: Standard USB Standard USB Proprietary Connection Proprietary Connection
OS Compatibility: Windows, Mac, Linux Windows, Mac, Linux Windows, Mac Windows
Wireless: N/A Bluetooth, Wi-Fi N/A Bluetooth
Audio
Audio Enhancements: Custom EQ, Preset EQ, BBE Custom EQ, Preset EQ, BBE N/A Custom EQ, Preset EQ
Audio Features: Pan Pan N/A Volume Limiter
BBE, Mach3Bass, MP Enhance, and 3D Surround DDSE Sound Enhancer, Dynamic Normalizer, Clear Stereo, Virtual Acoustic Sound Engine
Miscellaneous
Radio Band: FM FM N/A N/A
Additional Features: Built in Speaker Operates on WinCE 5.0 Professional Games N/A
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