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


Total Wireless Bluetooth Modules
AptX High-Definition Lossless Transmission
AAC/SBC High-Definition Codec
Swappable earpiece connectors
Portable charging case with accessories compartment
TRN BT20S Pro Total Wireless Bluetooth ModulesTRN BT20S Pro Total Wireless Bluetooth Modules
Swappable earpiece connectors
700mAh portable charging case
72 hours continuous playback
180 hours standby
True wireless Bluetooth 5.0
Qualcomm QCC3020 Bluetooth chipset
AptX/AAC/SBC High-Definition codecs
DSP noise reduction

Instantaneous swappable earphone upgradability

Designed to fit a variety of earphone connectors, TRN BT20S PRO makes switching earpieces a breeze. Indeed, an "all-in-one" solution.
TRN BT20S Pro Modules and connectors separately
* Earpiece connectors sold separately
TRN BT20S Pro connector 0.75mm / 0.78mm
0.75mm / 0.78mm
(TRN V90 / V80 / V30 / V10)
TRN BT20S Pro connector 2 pin
2 pin
TRN BT20S Pro connector MMCX

72 hours non-stop music playback

TRN BT20S PROO allows 9 hours of playback per charge, up to 72 hours when used with a portable charging case.
TRN BT20S Pro Modules in the charging box and USB note
USB Type-C
charging port
Coupled with
charging case
Standby time
power capacity
Charging case
power capacity
Charging time
* The above data is from TRN Acoustic Laboratory Test. Actual use may be slightly different.

Instantly transforms any earphone to have wireless Hi-Fi capabilities

TRN BT20S PRO converts any dynamic, balanced armature or hybrid earphone into a total wireless Bluetooth solution. Stable yet lightweight, free from dangling wire or tangled cable. Enjoy high-fidelity and high-definition sound anytime, anywhere.
TRN BT20S Pro Modules on light background

Qualcomm QCC3020

High-performance Bluetooth 5.0 chipset
TRN BT20S PRO equipped with high-performance Bluetooth 5.0 Qualcomm QCC3020 chipset for a fast and stable connection.
Transfer speed up
Transfer range up
Data bandwidth up
TRN BT20S Pro Bluetooth 5.0 blue art
* Compared with Bluetooth 4.2


Wireless high-definition Hi-Fi experience
TRN BT20S PRO supports Apple AAC and Android aptX codecs. Both are high-definition Bluetooth codecs with higher sound quality and lower latency. Let's experience superior sound via Bluetooth audio streaming.
TRN BT20S Pro Modules on iPhone
AAC iOS codec provides fast transmission of high-definition sound.
AptX Android audio codec provides outstanding Bluetooth sound quality.

DSP-Enhanced noise reduction technology

Built-in high-sensitivity microphone reduces environmental noise through DSP noise reduction technology, suppresses background noise and reverberation for a quiet, seamless user experience.
On bustling
On crowded
public transport
On busy
TRN BT20S Pro Noise reduction graph
With DSP
Without DSP
Microphone vs. noise reduction graph

Customized FPC Bluetooth antenna

Flexible printed circuit board (FPC) antenna provides exceptional reception and transmission in a relatively small pattern that brings robust overall connectivity when you were making calls or listening to music, as well as a more effortless pairing experience.
TRN BT20S Pro Art with FPC Bluetooth antenna
FPC Bluetooth antenna

Aluminum alloy button with "One-Touch" smart control

The aluminum alloy button ensures longevity and wears resistance. A high-glossy polished edge with an exquisite finish gives you a soft tactile feeling while working.
TRN BT20S Pro FPC Bluetooth antenna
Turn on
It turns on when to remove from charging case.
Turn off
It turns off when returning to the charging case.
Enter pairing mode
Press once on the Left or Right module.
Previous track
Press the button thrice for the previous track.
Next track
Press the button twice for the next track.
Answer call
Press the button once to either answer or end the call.
Refuse call
Press the button twice to refuse the call.
Aluminum alloy button

Thermoplastic Elastomer

Flexible Earhooks
Thermoplastic elastomer or TPE is a rigid yet flexible material that ensures proper fit around the ears. It is soft, hypoallergenic, able to withstand climatic heat, body sweat, continuous bending, and reshaping.
TRN BT20S Pro Flexible Earhooks

Your faithful music companion

TRN BT20S PRO accompanies you during morning commutes, driving, running, and gym. No matter where you go, what you do, it is your trusty music assistant.
TRN BT20S Pro on a man's ear

Easy storage and carrying

An integrated 2-in-1 portable charging case protects and charges the TRN BT20S PRO at the sametime. TRN's first modular, fully wireless Bluetooth device.
TRN BT20S Pro in the case

Water and sweat-resistant

Nano-coating for moisture protection
TRN BT20S PRO has water and sweat-resistant nano-coating for moisture protection regardless of rain or shine, indoor or outdoor.
TRN BT20S Pro on blue background with water drops
TRN BT20S Pro connected to TRN BA8 earphoneTRN BT20S Pro connected to TRN STM earphoneTRN BT20S Pro connected to TRN V90 earphoneTRN BT20S Pro with charging case


Product model
Standby time
180H; 720H with charging case
Playback time
9H; 64H with charging case
Transmission range
Bluetooth version
Charging current
DC 5V 1A
Modules charging time
Charging case charging time
Modular power capacity
Charging case power capacity
Actual product specifications may vary, and all features, functionality, and other product specifications are subject to change without notice or obligation.

Contents & Packaging

TRN BT20S Pro modules size
TRN BT20S PRO Bluetooth modules x 1 pair
TRN BT20S Pro charging case size
Portable charging case x 1
USB Type-C charging cable x 1
Instruction x 1

Attaching cable

How to identify the left and right TRN BT20S Pro module
As shown, the left and right Bluetooth modules can be distinguished by the "L" and "R" markings.
How not to make a mistake with connecting TRN BT20S Pro modules
Bluetooth modules are to be connected with the pins facing up toward the L and R indications. Connect in reverse will cause signal phase shift.


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)