•Music playback: long press the switch button, the blue light flashes, open the cell phone bluetooth, connect the product pairing name, pairing success, pairing success after the blue light is always on.
•Call function: switch button can be long-pressed to realize the rejection of calls, short press to answer, call as close as possible to the MIC hole.
•Dual_maching coupling function: two machines waiting for the Bluetooth connction status, take any one machine double-click the switch button, "beep" and then through the cellphone to connect to the Blutooth, you can be coupled.
•USB charging: after plugging in the charging cable, the red light is on when USB charging, the red light goes out when the battery is fully charged.
•The product will automatically shut down if the cell phone is not connected to Bluetooth within 5 minutes.