4OVERVIEWOPERATION Power on/off- To turn on the headphone,hold down the button ④ untilthe LED light flashes blue and avoice prompt“power on,music”,then the player will startplaying music automatically.- To turn off the player, holddown button ④ until you heara voice prompt “power off”. Previous track/ Volume -- Hold down the button ④ forabout 3s to switch to previoustrack.- Short press the button ④ todecrease volume.① Next Track/Volume+② Play/Pause/Switchmode③ Light Indicator④ Previous Track/Volume-/Power On/Off⑤ Magnetic Charging/USB Port Jack (2-in-1)