Apple iPod touch 16GB, iPod touch. Player media type: flash-media, Total storage capacity: 16 GB. Display diagonal: 88.9 mm (3.5 "), Display resolution: 480 x 320 pixels. Audio formats supported: AAC, AIFF, MP3, WAV, Video formats supported: .m4v, .mov, .mp4, H.264. Headphone connectivity: 3.5 mm. Frequency response: 20 - 20000 Hz, Impedance: 32 Ом