Getaway Deals Code
Jul 14, 2024 -- Jul 20, 2024
View all discount codes here. Don't miss out!


True Wireless Bluetooth Earphone Module
Swappable connectors
High-quality Bluetooth chip
High capacity charging case
40 hours battery life
* Please note: Photos are for illustration purposes only.
Actual products may vary in appearance or specification.
TRN BT20XS next to laptopTRN BT20XS next to laptop
Turns any earphone into wireless
High-quality Bluetooth chip
AAC/SBC High-Definition codecs
2Pin / 0.75 / 0.78 / MMCX Swappable connectors
700mAh portable charging case
40 hours of playback, 180 hours of standby

Instantaneous swappable earphone upgradability

Designed to fit a variety of earphone connectors, TRN BT20XS makes switching earpieces a breeze. Indeed, an "all-in-one" solution.
* Earpiece connectors are sold separately.
TRN BT20XS different connectors

High-quality Bluetooth chip
Bluetooth 5.3 fast connection

The all-new Bluetooth 5.3 technology features faster transmission, lower power consumption, and powerful anti-interference capabilities.
TRN BT20XS BT5.3 chip
Conventional Bluetooth 5.2
Effective range: approximately 10 meters
Master-to-slave switching: approximately 3 seconds
Delay: 300ms
Signal strength:
Advanced Bluetooth 5.3
Effective range: approximately 15 meters
Master-to-slave switching: seamless (0 seconds)
Delay: 100ms
Signal strength:

Wireless high-definition Hi-Fi experience

TRN BT20XS supports AAC and SBC. Both formats allow enjoying lag-free, high-quality music listening, video watching, and gaming on the go.
TRN BT20XS in charging case

Instantly transforms any earphone to have wireless Hi-Fi capabilities

TRN BT20XS, powered by a high-quality Bluetooth chip, converts any dynamic, balanced armature or hybrid earphone into a total wireless Bluetooth solution. Stable yet lightweight, free from hanging wire or tangled cable. Enjoy high-fidelity and high-definition sound anytime, anywhere.
TRN TA3 with cable and TRN TA3 with TRN BT20XS

40 hours of non-stop music playback

TRN BT20XS allows 13 hours of playback per charge, up to 26 hours, when used with a portable charging case.
TRN BT20XS next to closed charging case
Continuous playback
Coupled with a charging case
Modular power capacity
Charging case power capacity
Charging time
*The above data is from TRN Acoustic Laboratory Test. Actual use may be slightly different.

Your faithful music companion

TRN BT20XS accompanies you during morning commutes, driving, running, and gym. No matter where you go or what you do, it is your trusty assistant.
TRN VX Pro with TRN BT20XS on the ear

Water and sweat-resistant nanocoating for moisture protection

TRN BT20XS has water and sweat-resistant nanocoating for moisture protection regardless of rain or shine, indoor or outdoor.
TRN BT20XS in water drops

Thermoplastic elastomer flexible earhooks

Thermoplastic elastomer TPE is a tough yet flexible material that ensures proper fit around the ears. It is soft, hypoallergenic, and can withstand climatic heat, body sweat, continuous bending, and reshaping.
Shows how a TRN BT20XS connector can bend
Power on / off
Remove or return from the charging case
Long press the button for 3s to power on
Long press the button for 5s to power off
Previous track/Next track
Press the button thrice for the previous track
Press the button twice for the next track
Answer / end a call
Press once on either button
Enter pairing mode
Press once on either button


Product model
Bluetooth encoding
Bluetooth version
Bluetooth 5.3
Bluetooth chipset
High-quality Bluetooth chip
8g per earpiece
Effective signal range
Charging port
Charging voltage
DC5V, 1A
Battery capacity
80mAh per earpiece
Charging case capacity
Standby time
Playback time
40h with a charging case, 13h when using both earpieces only
Charging time charging case
Charging time modules
Actual product specifications may vary, and all features, functionality, and other specifications are subject to change without notice or obligation.

Contents & Packaging

TRN BT20XS module size
Bluetooth module x1 pair
TRN BT20XS charging case size
Portable charging case x1
TRN BT20XS charging cable
USB Type-C charging cable x1
Instructions manual x1

Attaching cable

Shows how to choose left and right TRN BT20XS modules
As shown, the left and right Bluetooth modules can be distinguished by the "L" and "R" markings.
Shows how to pinpoint the left TRN BT20XS module
Bluetooth modules should be connected with the pins facing up toward the L and R indications. Connect in reverse will cause a signal phase shift.
TRN BT20XS with open charging case
TRN BT20XS 0.75 or 0.78 connectors
TRN BT20XS 0.75 or 0.78 connectors
TRN BT20XS MMCX connectors
TRN BT20XS MMCX connectors
TRN BT20XS 2PIN connectors
TRN BT20XS 2PIN connectors


Dongguan Zuodu Acoustics Technology Co., Ltd.
5tn Floor, 67 Baisha Road, Humen Town, Dongguan City, Guangdong Province
QQ: 2550039547
Phone: 400-8080-302
Monday to Sunday 8:30 am to 6:00 pm (UTC+8)