At present days, there are many of these devices, each one of these has different features and sizes. For example the storage capacity is increasing and also we can talk about the screen made to handle with the tip of the finger (touch screen). For that reason, if we are about to purchase one of these device we must absolutely try and handle the option one by one according to the price.
The MP4 dominated the market after the boom of his predecessors MP3 and they absolutely would need more than just music and show pictures and video. Apple is at the forefront in the area of these mp4 players due to its frequent and optimized editions.
4G iPod Touch
It belongs to Apple and it is perhaps the best of all mp4 players, it has a 3.5” touch screen, measuring 58.9 x111x7, 2 mm is termed as the lighter and thinner at the time. It also record videos in HD (720p), it counts with cameras in the front and back with VGA resolution and 1.3Mpx respectively. The front camera is new in the 4G; you can videoconference with Face Time via Wi-Fi. The battery consumption is about 40 hours audio and 7 hours for video. The charging process takes about 2 hours to use 80% of its full charge capacity but would take twice as long. There are models which include 8GB, 32GB and 64GB capacity today. The really bad part of it is actually that it does not count with FM radio (unless it is activated with a chip) and GPS and of course the poor quality of the camera even if it would be improved as the 5mpx-like iPhone, would trigger further price.
5G IPod Nano
Another Apple device, unlike the new 6G, it has a screen of 2.2 “that every mp4 should count with and a metallic finish for the scratches. Unlike its predecessor the 4G, it is including a camera to record H.264 video format (VGA) at 30fps with resolution 640x480px. For the users of the Mac OS, the iPhoto software will organize and facilitate the broadcasting of the videos taken by the iPod to YouTube and Facebook. The requested FM radio with RDS system to describe the stations and also lets you record 15 minutes of any station. You can put pause to the radio so you can resume it later. With the Voice Over system you can recognize the artist and title of the music track. It also implemented the innovative pedometer that marks the number of steps a day ago, entering the weight you will count with the statistics and data to synchronize them with iTunes mp4 so later you can register at the Nike site whose purpose is to show spending daily energy. The bad part of it is that it consumes a lot of battery.
This latest MP4 counts with a touch screen 3” OLED and a small space for the control buttons, the finish is very classic, the buttons and menu options are on the sides, the navigation controls are on the bottom and the USB connectors or headphones can be found into the base. It also has an S-Master digital amplifier which gives the feeling of being in a concert hall, the Clear Audio Technologies, Clear Stereo and Clear Bass for clarity and minimal distortion regardless of volume level. The DSEE system can restore the sound quality after some file compression so it will be as good as the original. It recognizes type of format like playback mp3, mp4, wmv and others. The Browse of the web counts with Wi-Fi technology which allows to playback some videos hosted on Youtube.com for example.