Master & Dynamic MH40 User Manual page 6

POWER ON
Press Power/Pairing button once to power ON/OFF.
Battery level will be displayed at startup.
Before listening, charge your headphones for at least 15 minutes and download
the M&D Connect App to check for firmware updates.
To conserve battery power, headphones will power OFF after 30 minutes of
inactivity. This setting can be adjusted in the M&D Connect app.
CHARGE
• To charge, To charge, plug in the USB-C Connector.
NOTE: You can still use the headphones via Bluetooth while charging.
• A solid orange light indicates charging and
a solid green light indicates a full charge
when the USB cable is connected.
USER MANUAL
Charging Fully Charged
PAIRING
The first time you power ON your headphones they will enter pairing
mode. Simply connect through the Bluetooth menu on your device and
select M&D MH40.
To manually activate pairing mode, hold Power/Pairing button for
4 seconds.
Pairing to 2 or More Devices
1. Enter pairing mode and connect to device 1.
2. Enter pairing mode again and device 1 will disconnect.
3. Connect to device 2 and turn headphone OFF.
4. Turn headphone ON and headphone will automatically connect to device 1
and 2 simultaneously.
5. Pause one device and play from the other to swap headphone connection.
MH40 Wireless Over-Ear Headphones
5