With the development of mobile technology, many traditional electronic products have also begun to add mobile functions. For example, watches that used to tell the time in the past can also be connected to the Internet through smart phones or home networks to display incoming call information, Twitter and News feeds, weather information, and more.
The new watches, which could be called smart watches, some are already on the market and some are still in the sampling stage. These products are mainly designed for consumers to use in situations where smartphones are not convenient, such as when they are cycling or when their hands are full.
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Smart Watches
Smartwatch is a watch that is able to connect to your smart phone and activate some of its functions, such as making and receiving calls and messages
Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound.
Bluetooth speakers work by using short-range radio waves (RF) to transmit data to and from your Bluetooth-enabled device (such as a smartphone, a tablet, or a computer).