Users Manual

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TRUEMUTE‐UserManual

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Thank you for choosing the Defunc TRUE MUTE model. Read this manual to optimize your experience.

Technical specifications

Bluetooth

® version: 5.0

Transmission frequency: 2.4 GHz

Earbud battery: 50 mAh

Charging case:

500 mAh

Earbud recharges in charging case: 4-5 times

Active playtime: ≈ 7-8h

Standby time: ≈80H

Charging time: ≈ 1.5hrs

Speaker dimension: Dia 13mm 32Ω±15%

Speaker sensitivity: 101±3dB At 1KHz 126mV

Charging means: USB to Type C

Power supply bin voltage: 5V

Transmission frequency: 20Hz-20KHz

Codex: AAC, SBC

Rated Power for Earbuds: 22.2mW

Rated power for Charging case: 0.38W

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Frequency band in which the product operates==2402~2480MHz

Maximum radio-frequency power transmitted within above frequency band 4dBm（Refer to the CE-

Red report later, to be update once the report is available）

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Netweight:≈approx49g

What’s included

Defunc True Mute earbuds

USB-C charging cable

Charging case

User manual x1

Silicontips,A3series:2pcsLsiz e,2pcsMsize,2pcsSsize;Q31series:2pcsLsize,2pcsMsize,2pcsSsize.

WithHallswitch

Whenopenthelidchargingcase,theearbudsoutwillautomaticallypoweronandpairtoeachother.

Overviewandcontrols

Power on: Open the lid of the charging case and take the earbuds out for auto-power on. or touch the L & R

earbuds for 3 seconds to power on the earbuds.

Power off: Put the earbuds back in the charging case or touch either the right or left earbuds for 5 seconds.

Auto-power off: The earbud will turned off after 5 minutes in paired mode without connected device.

Answer/end call: Double-click either the left or right earbud for pick up the phone calls or end the phone

calls.

Reject call: Press either the left or right earbuds for 2 seconds to reject the call.

Play/pause: While listening to music, double-click the touch area of any earbud once for play&pause the

music.

Next track: While listening to music, triple-click the right earbud for to enter into next track.

Previous track: While listening to music, triple-click the left earbud to enter into last track.

Voice assistant: Press the left earbud for 3 seconds to active the Voice Assisstant, and press the left earbud

for 3 seconds again to close it（Most of android phones automatically close the Voice Assistant and do not

accept the earbud shutdown instructions）.

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Summary of content (3 pages)

PAGE 1
TRUE MUTE ‐ User Manual Thank you for choosing the Defunc TRUE MUTE model. Read this manual to optimize your experience. Technical specifications Bluetooth® version: 5.0 Transmission frequency: 2.4 GHz Earbud battery: 50 mAh Charging case: 500 mAh Earbud recharges in charging case: 4-5 times Active playtime: ≈ 7-8h Standby time: ≈80H Charging time: ≈ 1.
PAGE 2
Pairing Charge the earbuds fully before pairing it to you device for first time using. 1.Open the lid of the charging case, the Earbuds will automatically power on and paired to each other. 2. When blue/red lights in the right or left earbud flashing alternatively, means earbuds are ready to be paired to your device. 3. Active Bluetooth function on your device and select Defunc TRUE MUTE in the Bluetooth list.
PAGE 3
FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.