EDIFIER TWS NB2 In-Ear Headphones User Manual

: June 9, 2024
: Edifier

Table of Contents

EDIFIER TWS NB2 In-Ear Headphones
Product Description and Accessories
Power on/off
Charge
User guide
Functional operation
FAQs
Maintenance
File Downloads
References
Related Manuals
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

EDIFIER TWS NB2 In-Ear Headphones

Product Description and Accessories

EDIFIER-TWS-NB2-In-Ear-Headphones-fig-1

Accessories:
Ear tips x 3 pairs, Storage bag x 1, Charging cable x 1

Note:

There is a diﬀerent size of ear tips attached in the package, please select the suitable ones to wear.
Images are for illustrative purposes only and may diﬀer from the actual product.

Power on/off

The earbuds will power on when the case is opened.
The earbuds will power off when the case is closed.

Charge

Charge the earbuds
Place the earbuds in the case and close the case for charging. Charge the charging case

Connect the included charging cable to the case for charging. Indicator steady lit = charging
Indicator oﬀ = fully charged

Battery level indicator on the charging case

Open/close the case to show the case’s battery level;
if indicator ﬂashes three times: full battery level
if indicator ﬂashes twice: medium battery level
if indicator ﬂashes once: low battery level

Warning: The rechargeable batteries that provide power for this product must be disposed of properly for recycling. Do not dispose of batteries in ﬁre to prevent
an explosion.

User guide

Bluetooth connection

Place the earbuds in the case, and press and hold the button on the case for around 3 seconds to enter Bluetooth pairing.
Set the mobile phone to search for and connect to “EDIFIER TWS NB2 Pro”.
Bluetooth pairing: the white and green lights ﬂash rapidly.
After pairing is successful, the green light will ﬂash slowly.

Interconnection of the left and right earbuds/clear pairing records
Place the earbuds in the case, and double click the button on the case (the white light ﬂashing rapidly) to clear pairing records and enter the TWS pairing of the left and right earbuds. When successful, the earbuds will automatically enter Bluetooth pairing state, and the white and green lights will ﬂash rapidly.

Functional operation

Note:

Noise reduction mode switch: noise reduction mode(eﬀective when both earbuds are used), ambient sound mode, and normal mode.
Sound eﬀect mode switch: standard mode, spatial audio mode, and game mode. In-ear detection function Music control: Music will be played/paused when one earbud is inserted or removed.
Noise reduction control: In noise reduction mode, the noise reduction will be enabled when both earbuds are inserted and will be disabled when one earbud is removed.
You can also set or close the in-ear detection function via the EDIFIER CONNECT APP.

FAQs

When charging the charging case, the indicator is off.
Please ensure the charging case is correctly connected with the power source.

No sound

Check if the earbuds are operating.
Check if the earbud’s volume is at an appropriate level.
Check if the earbuds are correctly connected to a mobile phone.
Check if the earbuds are operating within a normal working range.

The call quality of the earbuds is not good.

Check if the mobile phone is in an area with a strong signal.
Please ensure the earbuds are within eﬀective distance (10m) and no obstacle between the earbuds and mobile phone.

When playing music, cannot control pause/play/next track via the earbuds.
Please ensure the paired device support AVRCP (Audio/Video Remote Control Proﬁle) proﬁle.

The tapping function is too sensitive or not sensitive.

Please ensure you are tapping in the eﬀective tap zone with moderate intensity or at an appropriate angle. You can also adjust to the desired tapping sensitivity via the EDIFIER CONNECT APP.

After one earbud alone is connected to another mobile phone, there is no sound from the other earbud when used again.

When one earbud alone is connected to another mobile phone, the interconnection between the left and right earbuds may have been disconnected. To restore the two earbuds mode, double click the pairing button on the case to resume interconnection between the left and right earbuds. Then try again.

There is a delay problem when playing games.

Please triple-click the left earbud to switch to game mode and then start playing game.

The in-ear detection function is not sensitive or too sensitive.

To ensure every wearing of the earbuds by user can be recognized, the recognition of in-ear detection have been slightly raised. If not used, please place the earbuds back into the case for charging and storage; it is better not to place the earbuds alone in the pocket or on the desk for long periods of time, so as to avoid interference with the in-ear detection function or missing of the earbuds. You can also set the automatic in-ear detection function to other functions or close it via the EDIFIER CONNECT APP.

Maintenance

If it is not used for long periods of time, please charge the product with a lithium battery every three months. Keep the product away from humid places to avoid aﬀecting internal circuit.
Do not use the product during intense exercise or with much sweat to prevent sweat from dropping into the product to make damage.
Do not put the product in places exposed to the sun or with high temperatures.
The high temperature will shorten the service life of electronic components, damage the battery, and make plastic components deformed.
Do not put the product in cold places to avoid damaging the internal circuit board.
Do not dismantle the product. Non-professional personnel may damage the product.
Do not drop, strongly vibrate, strike the product with a hard object to avoid damaging the internal circuit. Do not use drastic chemicals or cleaner to clean the product.
Do not use sharp objects to scratch the product surface to avoid damaging the shell and aﬀecting facade.

NOTICE:
For the need of technical improvement and system upgrade, the information contained herein may be subject to change from time to time without
prior notice. Products of EDIFIER will be customized for diﬀerent applications. Pictures and illustrations shown in this manual may be slightly diﬀerent from the actual product. If any diﬀerence is found, the actual product prevails.

File Downloads

Edifier User Manual Download [optimized] TWS, NB2 Pro, EDF200026 Download

References

IER | Solutions d’optimisation des flux des biens et des personnes

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