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  • How do I charge my headphones?

    To charge, plug in the USB-C Connector and connect to a USB-A port.


    When the USB cable is connected the LED will indicate the charging status with an orange light indicating the headphones are actively charging, and a green light indicating the headphones are fully charged.

    Please note: your headphones will power off while charging.

  • How do I pair my MH40 Wireless Headphones?

    The first time you power ON your headphones they will enter pairing mode.

    Connect through the Bluetooth menu on your device and select M&D MH40.

    To manually activate pairing mode, power OFF and then hold Power/Pairing button for 4 seconds.


    The MH40 Wireless Headphones are multipoint compatible, meaning they can connect to more than one device at a time.

    *Over time, your headphones will accumulate a list of devices and may take longer to pair than anticipated. A factory reset can help speed up this process by forgetting the list of previously connected devices.

  • What do the different buttons on my MH40 Wireless Headphones do?

    Your MH40 Wireless Headphones come with several features that can be controlled using the buttons  on the outside of each ear cup.

  • How do I Power on my MH40 Wireless Headphones?

    Press and hold (>1 second) the ON/OFF button to power ON/OFF.

    Battery level will be displayed at startup.


    When you first open your new headphones, and before listening, please be sure to charge them for at least 15 minutes.

    To conserve battery power, your headphones will power OFF after 10 minutes of inactivity.