iPod (4G) (2004)
Apple于2004年7月19日发布第四代iPod，宣布立即供货：美国20 GB售299美元，40 GB售399美元。Click Wheel将触控滚动与五个实体按键结合，控制键整合于转盘，不同于前代四个分离的触摸按键。
© Pipp345 · CC BY-SA 4.0 ↗ 仅缩小尺寸，未裁剪、未修饰。
规格
| 存储 | 20 / 40 GB |
| 控制 | Click Wheel · 5 个实体按钮 |
| 连接 | FireWire / USB · 30-pin |
| 供电 | 最长 12 小时（Apple 宣称） |
| 价格 | 299 / 399 美元 · 美国首发 |
| 上市日期 | 2004-07-19 · 宣布即刻上市 |
发布与上市
Apple于2004年7月19日发布第四代iPod，宣布立即供货：美国20 GB售299美元，40 GB售399美元。Click Wheel将触控滚动与五个实体按键结合，控制键整合于转盘，不同于前代四个分离的触摸按键。
容量、价格与使用
Apple公布续航最长12小时，随使用与设置变化。主菜单的Shuffle Songs可开始随机播放，Auto-Sync在连接电脑时更新音乐库。本条目是2004年7月的iPod，不是iPod photo版本或2007年的iPod classic。照片为单色屏实物置于底座上，未确定容量。
兼容性、演变与照片
两种容量均附带耳塞式耳机、1.2米30针转FireWire线缆、1.2米30针转USB线缆，以及Mac和Windows版iTunes 4.6光盘。仅40 GB版随附底座，底座也以39美元另售。Apple说明可通过FireWire或USB线缆充电。公告要求Mac OS X 10.1.5或更新版本及FireWire，或Windows 2000/XP及FireWire或USB。
来源
更多产品
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