The iPod touch has the iPhone's multi-touch interface, with a physical home button off the touch screen. The home screen has a list of buttons for the available applications. All iPod touch models have included the applications Music, Videos, and Photos (collectively duplicating the standard functions of the iPod classic), iTunes (providing access to the iTunes Wi-Fi Music Store), Safari, YouTube, Calendar, Contacts, Clock, Calculator, and Settings. Later models added Mail (accessing POP/IMAP/SMTP e-mail), Maps, Stocks, Notes, and Weather,[3] which could also be added to the earlier models with the purchase of a software upgrade. Direct links to web sites can be added to the home screen by the user.
The iPod touch is equipped with Wi-Fi 802.11b/g, and, like the iPhone, includes the Safari browser and a viewing client for YouTube. The device's Wi-Fi capabilities can also be used to buy music from the iTunes Wi-Fi Music Store.
The iPod touch is slimmer and lighter than the iPhone. It lacks some of the iPhone's features: access to any phone network, an internal speaker, a microphone, a camera, physical buttons for volume control, Bluetooth capability and Assisted GPS. The iPod touch uses software-based volume controls which require users to double-tap the home button, bringing up an on-screen slider.
The specifications as listed on Apple's website are:[6][14]
Screen material: Glass
Screen size: 8.9 cm (3.5 in)
Screen resolution: 480×320 pixels at 163 ppi, with 3:2 aspect ratio
Input method: Multi-touch screen interface, Sleep/Wake button, Home button
Operating system: iPhone OS
Storage: 8, 16, or 32 GB flash memory
8 GB: up to 1,750 songs, 10,000 photos, or 10 hours of video
16 GB: up to 3,500 songs, 20,000 photos, or 20 hours of video
32 GB: up to 7,000 songs, 40,000 photos, or 40 hours of video
CPU: Underclocked 620 to 412 MHz ARM
RAM: 128 MB DRAM
Wi-Fi (802.11 b/g)
Built-in rechargeable, non-removable lithium battery with up to 5 hours of video playback, and up to 22 hours of audio playback, times vary.
Size: 110×61.8×8 mm (4.3×2.4×0.31 in)
Weight: 120 grams (4.2 ounces)
Direct iTunes Wi-Fi Music Store access
Widescreen video
Included applications: Safari web browser, YouTube client, Mail client, Google Maps
Access to App Store (requires iPhone OS 2.0)
Widgets: Stocks, Weather, Notes
Screen material: Glass
Screen size: 8.9 cm (3.5 in)
Screen resolution: 480×320 pixels at 163 ppi, with 3:2 aspect ratio
Input method: Multi-touch screen interface, Sleep/Wake button, Home button
Operating system: iPhone OS
Storage: 8, 16, or 32 GB flash memory
8 GB: up to 1,750 songs, 10,000 photos, or 10 hours of video
16 GB: up to 3,500 songs, 20,000 photos, or 20 hours of video
32 GB: up to 7,000 songs, 40,000 photos, or 40 hours of video
CPU: Underclocked 620 to 412 MHz ARM
RAM: 128 MB DRAM
Wi-Fi (802.11 b/g)
Built-in rechargeable, non-removable lithium battery with up to 5 hours of video playback, and up to 22 hours of audio playback, times vary.
Size: 110×61.8×8 mm (4.3×2.4×0.31 in)
Weight: 120 grams (4.2 ounces)
Direct iTunes Wi-Fi Music Store access
Widescreen video
Included applications: Safari web browser, YouTube client, Mail client, Google Maps
Access to App Store (requires iPhone OS 2.0)
Widgets: Stocks, Weather, Notes
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