Weight
-Battery Life
-Batteries
-USB connectivity
-Built-in memory capacity
-Has microSD card slot
-OS support
-Audio file format
-Weight
-Battery Life
-Batteries
-USB connectivity
-Built-in memory capacity
-Has microSD card slot
-OS support
-Audio file format
-Weight
-Battery Life
-Batteries
-USB connectivity
-Built-in memory capacity
-Has microSD card slot
-OS support
-Audio file format
-Weight
-Battery Life
-Batteries
-USB connectivity
-Built-in memory capacity
-Has microSD card slot
-OS support
-Audio file format
-Weight
-Battery Life
-Batteries
-USB connectivity
-Built-in memory capacity
-Has microSD card slot
-OS support
-Audio file format
-Weight
0.13lb (without batteries)Battery Life
9-10 hoursBatteries
1 AAUSB connectivity
Yes, cableBuilt-in memory capacity
microSD card of 2GBHas microSD card slot
Yes, up to 32GBOS support
Both Windows and MacAudio file format
WAV, MP3