can use Bluetooth technology to achieve wireless connectivity without dragging a tail (connection li

can use Bluetooth technology to achieve wireless connectivity without dragging a tail (connection line). With the popularity of Bluetooth technology, home decoration is no longer worried about the wiring of electrical appliances; When using home appliances, you don't have to worry about a lot of remote controls. A mobile phone or a car key can do everything; When you are away from home, you can get the work arrangement of the company and the pictures of your relatives at home anytime and anywhere; There is no need to queue up to punch in and pay fees. Passing by the payment point can be easily completed without entering the door... The wide application of Bluetooth technology will make our life extremely easy.