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Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks. In the most widely used mode, 

Take both earbuds out of the charging case. Step 2:Identify the left and right earbuds. Step 3:Choose the ear tips that best suit your ears. Step 4:Insert the headphones into the inner canal of the ears. Step 5: Rotate for the best possible comfort and best fit, and make sure that the microphone is