The main features of Bluetooth headsets are: 1. Since there is no wire, it is very convenient to use. 2. Its radiation is a few tenths of that of a cell phone, which is basically negligible. and healthy product; 3. It has a cool appearance, can show your personality and follow fashion... Before using a Bluetooth headset, you must first pair it with your mobile phone. Here's a simple pairing process: Tap first. and hold the headset button (it's mentioned in the manual) for a few seconds, then use your mobile phone. Search for a Bluetooth device. Once the phone finds it, it will display the found Bluetooth name. Enter the coupling. password (usually 0000), then press the OK button on the phone. The pairing process is simply completed. There aren't many buttons on Bluetooth headsets. Most of them only have buttonsns volume and answer/end buttons, so they are very simple to use.
Most Bluetooth headset batteries are built-in lithium batteries (a small number of Bluetooth headsets use AA batteries. The batteries cannot be replaced, and the number of battery charges is approximately 500 times). According to 3 days of use at a time, it can be used for 1,500 days, about 3-4 years. A Bluetooth headset can be disposed of after 3 years, so there is no need to worry about the Bluetooth headset battery running out. . Source of information: Bluetooth headsets
First of all, most headsets do not have batteries, unless they are headsets with some special features, such as active noise reduction. noise, headphones with their own amplification or decoding circuits, etc. need to have a battery. If it is a headset with battery, lithium batteries cannots be carried on board in the form of packages, in accordance with normal aviation requirements.
Secondly, if your headphones have a larger membrane, even if they don't come with a battery, they definitely won't be able to be used as a packing belt because they have big magnets. the plane.
Finally, in fact, if you want to deliver headphones abroad, you can not only transport them by air, but also by other means of transport, such as a combination of land and sea transport . the speed of transportation cannot be compared to that of airplanes. I work in logistics in mainland China, so I'm familiar with these aspects