Function statement:
•Play/Pause: Play/pause can be controlled by clicking the power key once/
• Answer an incoming call: Click the function button once
• Reject an incoming call: Hold down the function button for 2
• Call back: Press the function button twice to call back the last call
• Last song: Press "-" twice
• Next track: Press "+" twice
• Volume plus: "+" long press straight to add
• Volume reduction: "-" long press straight reduction
• Indicator light instructions: the power on red and blue lights flash alternately/ the red light flashes three times in the shutdown state
• Connection prompt instructions: Blue light flashes once every 5 seconds
•Siri function button continue press 3 times to access siri
• Charging display: the red light will turn on in charging state, and the blue turn light will keep on when it is fully charged.