Apple iPod Video 4 GB Multimedia Player Brand: Apple Product Line: iPod Nano Model: MA099LLA Additional Media Type: Photo Memory Type: Internal Flash / Flash Media Memory Capacity: 4 GB Display Display Window: With Display Window Display Size: 1.5 in Screen Resolution: 176 x 132 Pixels Compatibility Supported Audio Formats: MP3, AAC, WAV, AIFF, MP3 VBR, Audible, Apple Lossless Supported Image Formats: JPEG, BMP, TIFF, PNG, GIF Operating System Requirements: Mac OS X 10.3.4 or Higher, Windows 2000 or Higher, Windows XP or Higher Connectivity Interface Type: USB 2.0, USB Docking Station: Docking Station Included Audio Inputs: 1/8 in. Stereo Mini: 1 Audio Outputs: 1/8 in. Stereo Mini: 1, 3.5mm Earphone Jack Power Power Source: Lithium Ion Battery: 1 Average Battery Life: 14 Hrs