NUU U25 Buds A True Wireless In Ear Headphone User Guide

June 3, 2024
NUU

NUU U25 Buds A True Wireless In Ear Headphone

U25 Buds A True Wireless In Ear Headphone

PRODUCT OVER VIEW

Product Diagram

U25 Buds A True Wireless In Ear Headphone Product
Overview

  1. Multi-function button (MFB)
  2. LED indicator
  3. Charging contacts
  4. Ear lips
  5. Charging case battery indicator
  6. Charge case Type-C charging port

Package Content

  • NUU buds A with charging case ………………………………. x1
  • Ear tip pairs (M size are placed on the ear buds) ……… x3
  • Charging coble …………………………………………………………. x1
  • User manual ……………………………………………………………….x1
    U25 Buds A True Wireless In Ear Headphone Package
Content

Power on

  1. Open the charging case, the ear buds w ill power on automatically.
  2. ln the off state, press and hold the touch area of ear buds for around 6 seconds, the ear buds will turn on, and you w ill hear the prompt “power on”.

Power off

  1. Put the ear buds into the charging case, and close the case cover, the ear buds will shut down automatically.
  2. Turn off the Bluetooth of your mobile phone or stop playing music, press and hold the touch area of ear buds for about 10 seconds, then it will power off.

Charging

  1. Fully charge the earbuds and the charging case before first time use.
  2. Use the included Type-C charging cable.

How to Pairing

First pairing: Open the charging case and pick up NUU Buds, it will automatically enter the pairing mode (One Bud’s blue LED light flashes, and the other bud is off). Turn on the Bluetooth of your device and search for pairing name “NUU Buds A” to pair, then successfully paired (Indicator turns off).

LED Indicator Guide

Status Description
Ear Buds Power on
Power off Blue LED Flash once then turn off
Pairing Right ear buds Blue LED blinking

While left ear buds LED is off
Connected| Both ear buds LED lights is off
Case| Battery indicator| Battery low: Red LED Blinking during charging, and always an when fully charged.
Battery medium/ high: White LED blinking during charging, and always on when fully charged.

Multi-function Button IMFB) Guide

ANC On/Off, Transparency mode Tap and hold L/R ear bud for 2 sec.
Volume up Tap R ear bud once.
Volume down Tap L ear bud once
Play/ Pause Double top either L/R ear buds
Activate/ Stop voice assistant Triple top l ear buds
Change Game/Music mode Triple tap R ear buds
Answer/ End call Double tap either/R ear buds
Reject a call Touch and hold either L/ R ear bud for 2 Sec.

How to Keep Ear buds

The headphones should be stored in the charging case and to prevent the Bluetooth headphones from being stored at extreme temperatures (above 70ºC or below -10º, otherwise the battery life will be shortened.

Technical Specifications

Items Description Specifications
1 Audio frequency range

20 Hz· 20KHz

2| Speaker driver| 010mm
3| Battery Capacity (Cose)| 400 mAh
4| Battery Capacity (Ear buds)| 6 2mAh
5| Ear buds size| 33 .8x25x 19 .9 mm
6| Charging Cose Size| 61.9×49.6×26 .6 mm
7| Bluetooth Version| V5.2
8| Bluetooth Profile| HFP/HSP/ AVRCP/ A2DP
9| Music polytime| Ear Buds: Up to 8 Hours ( ANC off) Up to 6.5 Hours AN C on) Case: Up to 22 Hours ( ANC off)

  • Music playtime are measured  al 60% volume with a number of music tracks.
    10| Charging time| Ear buds: 45 Minutes Case: 1.5 hours
    11| Transmission Frequency| 2 .4GHz – 2 .48GHz

Reset to Factory Settings

Toke out ear buds from charging case, ensure earphone is not connect, or not playing music, long press around 10 seconds to power off the device, then long press both L and R ear buds again to power on, keep pressing the ear buds until it power off again, the device ore reset and clear pairing information.

Safety Precautions

  1. Keep your earphone and accessories out of reach of children.
    Children should use the earphone under adult’s supervision.

  2. Do not expose the ear buds to water for prolonged period.
    Do not use it when swimming, diving, or in the shower.

  3. Use your earphone in a moisture or dusty environment or near a strong magnetic field, may result on internal circuit failure.

  4. Do not use the device during thunderstorms. Thunderstorms can cause the device to malfunction and increase the risk of electric shock.

  5. This product contains lithium battery. Disassembly, collision, crushing or exposure to fire is prohibited. Do not use swollen batteries. Do not place this product in high-temperature environment. Pls dispose the battery accordance with local regulations and do not treat it as household waste.

Warranty information

Your “NUU Buds A” is warranted ta the original owner for l year from the date of purchase against defects in material and workshop under normal use and service. NUU mobile is not responsible for the occident use of this product and its liability will not exceed the purchase price of the product. If you have any problem while using the product, pls do not hesitate to contact our customer support at support@nuumobile.com. Details of warranty term, pls download from our Web: www.nuumobile.com

Warning

Risk due to extremely high volume
Laud music can lead ta hearing damage, Avoid listening ta music at on extremely high volume when using this device – especially over long period of time.

WEEE
Electrical and electronic equipment, parts and batteries marked with this symbol must not be disposed with normal household wastage, it must be collected and disposed of separately to protect environment. Your U25 earphone retailer will advise you of the correct way of display in your country

Certification

This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions:
(l) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
Warning: Changes or modification not expressly approved by the party responsible for Compliance could void the user’s authority to operate the equipment.
NOTE: Th is 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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference w ill not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged fiotry to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or on experienced radio/TV technician for help.

RF warning statement:
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
The product is too small to place complete label information, so the label is placed in the charging bin .

Customer Support

Questions? Let us help. We’re here to support you.
US
Phone: Toll Free: 844-NUU-3 365
U.S. hours: 9am-6pm ET, chat: M-F 24hrs
Email: support@nuumobile.com

QR-Codeus.nuumobile.com

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Made in China

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