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eBooks are getting more and more popular during the pandemic, as all the libraries are closed. People’s buying pattern has changed. eBooks help to save the environment, no trees will die. A lot of people only purchase the book and read once. So what will happen to the book afterwards? It will end up in the landfill waste. And eBooks are searchable, if you want to search some information in the books; it is easy to search in eBooks. When you go to travel, eBooks become very handy, you can have thousands of books in the device and you can...

There are different battery types, i.e. Li-ion, NiCd, NiMh and etc. These are all the battery type you might come across. But which battery type is the best? It would probably Li-ion battery. It is because Li-ion batteries can recharge very quickly and also can provide power for extended periods of time.To purchase a battery, you always see on the label for the below specification. Voltage (V), amp-hours (Ah) and battery type (Li-ion, NiMH, NiCd). What is all these information means to you?The Voltage (V) is how much power the battery can provide, it means if your battery has enough...

If your old radio is broken or you want to buy a new radio recently, you might want to consider DAB digital radio. DAB radio can not only receive FM stations, but also DAB and DAB+ stations. New radio stations can be available on DAB+, existing radio stations can continue using DAB, and community radio stations might continue on FM. If you want to listen to new radio stations or programmes, consider to buy a DAB digital radio. With digital radios can access to more new and talk stations, i.e. LBC and talkRADIO, and also BBC offerings. Also if you...

Bluetooth headset is more convenience while traditional wired headphone is more reliable and better quality. More people like to use wireless headphone as they can connect to your device, i.e. your mobile phone without a wire. Wireless headphone will come with cord, so you can still plug it into your device if you wish. Wireless headphones can connect to your device via Bluetooth. You will need to make sure your headphones are in Bluetooth pairing mode, and also your device. If you purchase a wireless headset, you do not need to worry about tangled cables, they can connect to your...

Many people like music; it is part of our lives. You listen to music at the gym, after a long day of work, after school, on the bus journey. The MP3 file format is more than 20 years old. During this time, MP3 has been surpassed by other file formats, MP4. MP4 is the next generation of MP3. MP3 is a short-form for MPEG3. Its file size is smaller than CDs. They only take up to 1/10 of the storage size compare to a CD audio track. MP3 compress and decompress digital sounds. It is known as codec. Many audios...