OPN SOUND Mezzo plus Bluetooth Bone Conduction Neckband Sports Headphones User Manual

Mezzo plus Bluetooth Bone Conduction Neckband Sports Headphones

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Specifications

• Speaker type: Bluetooth
• Battery life: Varies
• Standby time: Varies
• Charge time: Varies
• Weight: Varies
• Frequency response: Varies
• Sensitivity: Varies
• Waterproof rating: Not specified
• Wireless range: Varies

Product Usage Instructions

Getting Started: Charge

Plug in the included charging cable. The LED will be green when
charging and turn white when fully charged. 10 minutes of charging
delivers 5 hours of listening.

Getting Started: Pair

Press and hold the power button for 3 seconds to power on
MEZZO+. The headphones will automatically enter pairing mode.

Getting Started: Wear

Loop the headphones over and behind your ears for a secure
fit.

Controls

Play/pause: Press once
Next track: Press twice
Previous track: Press three times
Answer/end call: Press once
Reject call: Press twice
Voice assistant: Press and hold for 3
seconds
Power on/off: Press and hold for 3 seconds
Volume up: Press once
Volume down: Press once
Restore factory settings: While off, press and
hold for 10 seconds

FAQ

How do I activate my lifetime warranty?

To activate your lifetime warranty, register your product at
opnsound.com/pages/warranty.

What is the Bluetooth frequency range of the device?

The Bluetooth frequency range is from 2402 to 2480mHz.

Where can I find the EU Declaration of Conformity?

The complete declaration of conformity can be found at
https://opnsound.com/pages/documents.

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MEZZO+ MANUAL

WHAT’S IN THE BOX

1 GETTING STARTED: CHARGE

2 GETTING STARTED: PAIR

3 GETTING STARTED: WEAR

MEZZO+
USER MANUAL
opnsound.com/pages/manuals

MEZZO+ headphones

1 Charging cable

Earplugs

Plug in the included charging cable. The LED will be green when charging
and turn white when fully charged.
10 minutes of charging delivers 5 hours of listening.

Press and hold for 3 seconds to power on and MEZZO+ will automatically enter pairing mode.

Navigate to your devices Bluetooth® settings and select MEZZO+.

BLUETOOTH Bluetooth Available Devices
MEZZO+
Available Devices
MEZZO+

Loop headphones over and behind ears.

CONTROLS

CONTROLS CONTINUED

Play/pause: Press 1x Next track: Press 2x Previous track: Press 3x Answer/end call: Press 1x Reject call: Press 2x Voice assistant: Press and hold for 3 secs

Power on/off: Press and hold for 3 secs Volume up: Press 1x Restore factory settings: While off, press and hold for 10 secs
Volume down: Press 1x

SPECIFICATIONS

Speaker type
Bluetooth
Battery life
Standby time
Charge time
Weight Frequency response Sensitivity Waterproof rating Wireless range

Bone Conduction v5.3 7 hours 300 hours 2 hours 26g 20Hz-20KHz 105 ± 3dB IPX5 33 ft (10 meters)

PRECAUTIONS
1. Listening to loud music for a long time may cause discomfort. Please use medium volume when possible. Do not use high volume for long periods of time. 2. Using headphones will affect your perception of the surrounding environment. Pay attention when using headphones. 3. Do not remove or modify the headphones as this may cause damage or burn out. 4. Do not throw or twist on the headphones. 5. Keep headphones away from fire, hydration and high pressure equipment. 6. Not suitable for children under 10 yrs old. Contains small parts. 7. Do not classify headphones as household waste. Please send them to the local electrical equipment recycling station. 8. The charging pole piece has been treated for anti-corrosion, but seawater is highly corrosive. It is recommended to clean them after being in seawater.
Note: The company does not assume any responsibility for the loss of personal property caused by the violation of the above warnings.

ACTIVATE YOUR LIFETIME WARRANTY
We’ve got you covered! Register your lifetime warranty here: opnsound.com/pages/warranty

EU DECLARATION OF CONFORMITY
We, Conduction Labs Inc. DBA OPN Sound. of 4800 N Federal Hwy, Suite B200, Boca Raton, FL 33431 USA, declare under our
sole responsibility that the device is in Conformity with the following relevant Union harmonisation legislation: Radio Equipment Directive (RED) 2014/53/EU
The complete declaration of conformity can be found here: https://opnsound.com/pages/documents

Frequency Range 2402 – 2480mHz

Max. Transmit Power 10 dBm EIRP

References

• Register Your Product – OPN Sound

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