He only needed to read e-books, watch videos and TV series, and listen to music. What electronic products were suitable?

According to my knowledge, there are currently some mobile electronic devices that can simultaneously read e-books, listen to music, watch videos, and have the functions of a radio. The details are as follows: Tablet computer: A tablet computer is a portable electronic device that usually has the functions of e-book reading, music playing, video viewing, and radio. Some tablets could also support online shopping, social media, and other functions. 2. Smart phone: A smart phone is also a portable electronic device. It usually has the functions of e-book reading, music playing, video viewing, and radio. In addition to the above functions, the smartphone could also support more applications such as social media, games, banking, and so on. 3. Mobile TV: Mobile TV can also have the functions of reading e-books, listening to music, watching videos and radio at the same time. Mobile TV was usually a smart TV that could be connected to the Internet through Wi-Fi to watch streaming videos, listen to music, and listen to the radio. It is important to note that the functions of these devices may vary depending on the brand, model, and operating system. In addition, the price of these devices may also vary according to different brands, models, and operating systems.

Some electronic devices could read e-books and listen to music at the same time, such as tablets and smart phones. These devices usually support applications that can switch between reading e-books and playing music to meet the needs of reading and listening to music. Some tablets also supported reading e-books aloud to make reading more interesting.

There are many electronic products that can be used to read e-books and watch videos, such as: 1. Smart phones and tablets: Smart phones and tablets can read e-books and watch videos, and can also access the Internet through the browser to find and save books and videos. 2. E-book reader: An e-book reader is a device specifically used to read e-books. It usually has a display screen and a processor that can read and display the contents of e-books. 3. TV: Some smart televisions can also watch videos and access the Internet through the built-in browser to find and save video content. 4. Computer: Some computers also have the function of e-book readers and video players, which can access the Internet through the browser to find and save books and videos. These electronic products could provide reading and video viewing services in different ways to meet the needs of readers and viewers.

The MP4 was a portable digital media player with an e-book reading function. It supports a variety of e-book format, including PDF1, EPUB, MOBI1, and MMT1. You can also read local e-books through the built-in e-book reader. MP4 can also play audio and video content, supporting a variety of video format, including MP4, AVI, MOV and FLV.

In the past, some electronic devices were thought to only be able to read e-books, such as the Kindle and eReader. However, as time went on, more and more electronic products were developed that could read and support e-books in multiple format at the same time, such as Android and iPhone devices, tablets, and smart phones. With the development of technology, the format of e-books is constantly updated and evolved. Some e-book format is no longer widely used. Therefore, even an electronic product that could only read e-books could gradually be eliminated in the future.

A device that could watch videos, read e-books, and listen to music was often called an "e-book reader" or "smart e-book." These machines usually have the ability to read e-books and play audio files. Some e-book readers also supported reading and downloading books online. Common brands of e-book readers included Amazon's iPhone, Apple's iBooks, Google Play Books, and Dangdang Books. The price of these machines ranged from a few dollars to hundreds of dollars, depending on demand and choice. In addition to e-book readers, there are also some machines that can support both video and audio files. For example, Google Play Books could play e-books and audio files while also supporting online reading.

There are many electronic devices that can watch movies and read e-books. Here are some common choices: 1. Smart phones: Smart phones can watch movies and read e-books anytime and anywhere, and there are many applications that can support multiple media format. Tablets: Tablets can also be used to watch movies and read e-books, but they are usually lighter and more portable than a smartphone. 3. TV: Some smart televisions can also watch movies and read e-books because they have built-in app stores and applications. 4. E-readers: E-readers are usually lighter and more suitable for long-term reading than smart phones and tablets. They also support multiple reading modes. 5. Public library: If you live in a place with a lot of public libraries, you can go there to read e-books, watch movies, or play some games.

If you can't listen to music and read e-books on your phone at the same time, it might be because there's a problem with the phone's software or system. You can try to restart the phone or try to clear the phone's buffer and data. If the problem still exists, you can try uninstalling the recently installed software and then reinstalling the relevant software. If the problem is still not solved, it is recommended to contact the mobile phone manufacturer or software developer for further help.

In the past, people used small e-readers to read e-books. However, with the development of technology, the smallest electronic product that can read e-books may be a small electronic device called an "e-book reader". It usually has a display screen and a built-in processor that can store a large number of e-books and use various applications to read, search and mark them. E-book readers usually don't contain batteries and need to be recharged, but they are usually very light and easy to carry around.

The smallest electronic device that could read e-books might be a small electronic device called an "e-book reader"(an e-book reader is an electronic device that can read and display e-book format such as ADC, MOBi, EPUB, etc.). These readers usually used an embedded operating system such as linux-based and had built-in batteries that could be easily recharged. They usually only had a display screen and one or more reading buttons that could be operated by a touch pen or finger. Due to their small size, they could usually be placed in a pocket and were very suitable for carrying around.