Incredibly simple to use, the Mi True Wireless Earbuds Basic 2 are ready to use as soon as you take them out of the charging case.Just put them in your ears and your audio experience awaits you.Free and seamless switching between single-ear and double-ear.The Mi True Wireless Earbuds Basic 2 optimize the way the left and right earphones are connected. With no restriction on primary and secondary devices, you can switch between single-ear and double-ear seamlessly.Put in one earphone for mono sound and then put in the other to automatically resume stereo sound with no need to pair again.The Mi True Wireless Earbuds Basic 2 are equipped with the latest Bluetooth 5.0 chip, which has a data transmission speed two times faster than the previous generation as well as faster and more stable connections. That’s what the newest generation should look like.Better for listening to music and clearer calls.The 7.2-mm sound unit has medium and low frequencies after repeated tuning by acoustic experts coupled with DSP noise cancellation technology, which filters out ambient noise, and provides you with crystal-clear sound quality. Physical button to avoid misoperation One button to activate multiple functions Simply control music and calls with one button, activate the voice assistant by pressing either earphone twice* and access navigation at any time.4.1 g * light weight.Three sizes of earbuds for secure and comfortable wear.12-hour-long battery life*Can be used continuously for approximately 4 hours after a full charge and for approximately 12 hours together with the charging case.