HTC TWS4 True Wireless Earbuds 1+ User Guide
- June 5, 2024
- HTC
Table of Contents
HTC TWS4 True Wireless Earbuds 1+
What’s in the box
- Earbuds
- Charging case
- Quick Start Guide
- USB Type-C cable
- 2 pairs of rubber tips (large and small)
- Warranty card
Important:
Before use, make sure to tear off the protective film.
Things to keep in mind with HTC True Wireless Earbuds 1+
- HTC True Wireless Earbuds 1+ should not be used in extreme temperatures.
- Before using the charging case for the first time, make sure to charge it using a 5 volt charger.
Pairing HTC True Wireless Earbuds 1+ with your phone
-
The earbud will turn on automatically when taken out of the charging case.
-
On your phone, go to Settings, turn Bluetooth on, and then pair with “HTC TWS4”. Check your phone user guide to find out how to access Bluetooth settings.
Note:- If you don’t see the earbud shown in the list, reset it by quickly tapping 5 times on earbud. The LED on the earbud will flash red several times. Put the earbud back in the charging case to complete the factory reset.
- If pairing fails, put the earbud back in the case and try again.
- When the earbud is on and hasn’t connected to any mobile device, they will continue to search for devices. The earbud will turn off automatically after 5 minutes.
-
Once paired, the earbud will automatically connect to your mobile device when taken out of the charging case.
-
When you’re not using the earbud, place it in the charging case to charge it. Recharge the case with a 5V charger periodically.
Controls
Power on/off| Earbud will turn on when removed from the charging case and turn
off when it is put back in the case.
---|---
Play next| Tap and hold the earbud for 2 seconds.
Play previous| Tap and hold the earbud for 5 seconds.
Play / Pause| Tap earbud.
Answer call / End call| Tap earbud.
Decline call| Tap and hold earbud for 2 seconds.
Assistant| Triple-tap earbud.
LED Notifications
Charging case LED| Over 30% charged
Over 60% charged
Fully charged
- Flashing blue: Connected to power and charging
- Blue on all LEDs: Case is fully charged
- Flashing blue on the first LED: Low battery warning
- Blue: Charging the earbud
---|---
Earbud LED|
- Red : Charging
- Blue : Pairing
- Off : Fully charged or paired with mobile device
Technical Specifications
| Bluetooth version | 5.3 |
|---|---|
| Sweat and water resistant | IPX4 |
| Noise cancellation | ENC |
| Bluetooth range | ≦ 10 m |
| --- | --- |
| Play time | Approx. 7 hours (Volume level 50%) |
| Talk time | Approx. 3.5 hours (Volume level 50%) |
| Standby time | Up to 70 hours |
| Earbud charges (when case is fully charged) | Around 3 charges |
| Earbud battery capacity | 45 mAh |
| Charging case battery capacity | 400 mAh |
| Charging case input voltage | 5V |
| Charging interface | USB Type-C |
| Charging case power input rating | 5V / 320 mA |
| Net weight (single earbud) | 4 g |
| Net weight (both earbuds with case) | 43 g |
Checking Product Authenticity
-
Scan the QR code on the package with your phone.
-
Scratch off the coating. You’ll then see a code.
-
On your phone, enter the last four digits of the code.
-
If the code is authentic, the Search results screen will show that you have a genuine product code.
Warning: If you see the above screen, beware of counterfeiting.
Legal notice
Trademarks and permissions:
HTC and the HTC logo are trademarks of HTC Corporation and used under license
by Water World International Industrial Limited.
The Bluetooth® word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc.
Copyright © 2022 Water World International Industrial Limited. All rights
reserved.
THIS DOCUMENT IS FOR INFORMATION PURPOSES ONLY, AND DOES NOT CONSTITUTE ANY
KIND OF WARRANTIES.
FCC Warning
FCC ID: 2AVFE-HTCTWS4, only for left earbud
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
- This device may not cause harmful interference.
- This device must accept any interference received, including interference that may cause undesired operation.
NOTE:
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. 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 will 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 to try 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 an experienced radio/TV technician for help..
Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.