The Specs

Battery
Battery Type Lithium ion
Ports and Connections
Wireless connection Wi-Fi
Dimensions
Width 2.3 inches
Depth 0.3 inches
Height 4.4 inches
Supported Video Formats
H.264 Yes
MPEG4 Yes
Motion JPEG Yes
Supported Audio Formats
AAC Yes
MP3 Yes
WAV Yes
AIFF Yes
Audible Yes
Apple Lossless Yes