TRN Scallop

Listen Freely, Listen to Your Heart
Turn Wired Earphones into Bluetooth in Seconds
Streamlined Design
|
Detachable Cable Design
|
Bluetooth 6.0 Chip
High-Definition Decoding
|
High-Capacity Charging Case
|
50-Hour Battery Life
TRN Scallop Bluetooth module setTRN Scallop Bluetooth module set
* Product images are for reference only. The actual product shall prevail.

It’s the Little Things That Make All the Difference

TRN Scallop interprets the art of acoustics through craftsmanship and aesthetics, bringing wired earphones into a new wireless listening experience.
High-Quality Bluetooth 6.0 Chip
Switch Between Wired and Wireless in Seconds
AAC/SBC High-Definition Bluetooth Audio
Scallop-Inspired Streamlined Wave Pattern
700mAh Charging Case
180-Hour Standby Time, 50-Hour Battery Life

Inspired by the Deep Sea

Sound That Resonates with Nature
In the vast epic of nature, the scallop is a gentle verse bestowed upon humanity by the ocean.

It lies quietly on the sandy seabed, embracing the tides with an elegant curve and withstanding the winds and waves with its resilient shell. This power of creation deeply moved us.

Thus, a gift of sound was born. The design inspiration for the TRN Scallop wireless headphone amplifier stems from this natural work of art found in the ocean.

Its silhouette echoes the gentle, flowing curves of a scallop. When nestled against the ear, it rests lightly like a treasure carefully polished by the waves. The texture of its surface captures the subtle layers of a naturally formed shell, shimmering with a delicate luster in the light and feeling as smooth as jade. This is not merely an homage to form, but an embodiment of the philosophy of nature.

Scallops protect soft life with their tough shells; we guard pure sound with exquisite construction.
Scallop shell on ocean floor

Interchangeable and Removable

Define Your Auditory Evolution
Take the unit as your foundation, and the module as your sail. With independently replaceable core audio components, TRN Scallop lets classic wired headphones be reborn with the freedom of wireless technology.

Technological advancements make for a more eco-friendly experience. Deep blue battery life means just swapping the chip, not the device. Switch between scenarios and mix and match as you please.

Crafting cutting-edge, sustainable sound quality to deliver a personalized listening experience for every individual.
* This purchase includes only one cable; additional cables must be purchased separately.
TRN Scallop connector options

Bluetooth 6.0 Chip

Connected Through the Chip, Delivering High-Fidelity Sound Without Distance Limits
Enhanced transmission speed and efficiency, with near-zero latency for audio signals across all scenarios, ensuring seamless audio-visual synchronization. Enjoy uninterrupted gaming and binge-watching with the new low-power architecture, as a single charge lasts all day.

With strong signal interference resistance, say goodbye to stuttering and static, and experience crystal-clear sound.
Bluetooth 6.0 chip close-up

Wireless HiFi Listening

More Than Just a Continuation, It’s an Evolution
Keep your existing wired earphones, simply plug them into the TRN Scallop to transform them into a wireless device. Enjoy the familiar sound quality while unlocking the freedom of wireless listening.

No need to buy new Bluetooth earphones. With a built-in Bluetooth 6.0 chip and high-performance decoding, wireless transmission delivers sound quality that rivals the fidelity of a wired connection, preserving rich details and a wider soundstage.
TRN Scallop with wired earphones

AAC/SBC

Designed for High-Definition Audio
AAC offers higher compression efficiency at the same bitrate, preserving richer audio details and a wider dynamic range. Wireless transmission delivers sound quality approaching CD-level clarity, making it particularly well-suited for vocals and instrumental performances.

With excellent encoding efficiency, TRN Scallop reduces power consumption during transmission while maintaining sound quality, thereby extending battery life. It is compatible with mainstream Android devices and all AAC-supported devices.
TRN Scallop beside smartphone

Long-Lasting Battery Life

Say Goodbye to Battery Anxiety
A full charge provides up to 10 hours of continuous use, and with the 700mAh charging case, the total battery life can reach up to 50 hours.

Thanks to the low-power Bluetooth solution, TRN Scallop can support about a week of moderate use, based on an average of 7 hours per day, easily handling various scenarios such as commuting, exercise, and travel.

Enjoy gaming and music without worrying about battery life, and say goodbye to battery anxiety.
TRN Scallop 700mAh charging case
Indicator Light Status While Charging the Earbuds
Charging Case Battery Level 75–100%
Charging Case Battery Level 50–75%
Charging Case Battery Level 25–50%
Charging Case Battery Level 5–25%
Flashing: Low Battery
Earhooks Are Fully Charged
Indicator Light Status While Charging the Charging Case
Flashing: Charging 0–25%
Flashing: Charging 25–50%
Flashing: Charging 50–75%
Flashing: Charging 75–100%
Charging Case Is Fully Charged
* Data obtained from TRN laboratory testing; actual results may vary slightly.

Sound That Resonates as Naturally as Breathing

Dual capacitive and pressure detection accurately distinguishes between a “light finger touch” and an “accidental brush,” preventing accidental activation when placed in a pocket or when hair comes into contact with the device.

The tactile button design features no physical openings, effectively preventing dust and sweat from entering the internal circuitry.
TRN Scallop touch control module
Play / Pause
Click either side of the multifunction button.
Answer / End Call
Click either side of the multifunction button.
Previous Track / Next Track
Tap either side three times to go to the previous track. Double-tap either side to go to the next track.
Power On / Power Off
Press and hold for 3 seconds to turn on. Press and hold for 3 seconds to turn off.

Effortless Organization

Spacious Storage Design
The optimized interior cavity easily accommodates earphone heads of various sizes, from compact to oversized models, and is compatible with mainstream wired earbud models on the market, making it highly practical.

The hollow design provides ample storage while reducing overall visual bulk, preserving the elegant lines of the scallop-inspired shape.
TRN Scallop open charging case

Nano Waterproof Coating

Stay Dry Whether You’re Working Out or Commuting in the Rain
The nanocoating forms a water-repellent protective layer on the surface of the TRN Scallop, effectively preventing sweat, rain, and accidental splashes from penetrating the device, making it ideal for activities such as running and working out.

Whether you’re commuting in the rain, in a humid indoor environment, or sweating during exercise, it provides reliable protection so your music keeps playing without interruption.
* The waterproof test data is obtained from TRN laboratory testing, and actual results shall prevail.
TRN Scallop water-resistant earhooks

Ergonomic Design

Lightweight and Snug-Fitting for a Comfortable, Secure Fit
The wrap-around ear design ensures a natural fit with a streamlined structure. The exposed section is simple and compact, appearing visually unobtrusive and elegant.

Engineered to follow the contours of the ear canal and outer ear, TRN Scallop earhooks prevent discomfort even during extended listening sessions, allowing you to enjoy every moment of tranquility.
TRN Scallop ergonomic earhook fit

Product Parameters

Model
TRN Scallop
Bluetooth Codec
AAC/SBC
Weight
~6g per ear
Range
20m
Bluetooth Version
Bluetooth 6.0
Charging Port
Type-C
Bluetooth Chip
High-Quality Bluetooth 6.0 Chip
Battery Capacity
60mAh per ear
Charging Case Capacity
700mAh
Standby Time
180H
Music Playback
50H with Case, 10H per Earhook
Charging Time
1.5–2H Earhooks, 2.5–3H Case
* Data obtained from TRN laboratory testing; actual results may vary slightly.

Cable Installation Diagram

Left and right module markings
How to correctly distinguish the left and right sides of a Bluetooth module: as shown in the figure, the Bluetooth module is marked with “L” for left and “R” for right.
Correct TRN Scallop installation
The correct way to install the Bluetooth module is with the pins and the “L” / “R” markings facing upward. Do not install it with the pins facing downward, as connecting the positive and negative terminals in reverse may cause a malfunction.

Every Note Is Extraordinary

A Journey Through the Evolution of Earphone Amplifiers
A comparative overview of the evolution of Bluetooth modules. See how the fifth generation, with its bionic design, modularity, nano water-repellent coating, haptic interaction, and Bluetooth 6.0, demonstrates the steady progress and success of the earhook.
Product Comparison
TRN BT20 small picture
TRN BT20
TRN BT20 Pro small picture
TRN BT20 Pro
TRN Scallop small picture
TRN Scallop
Bluetooth Version
BT5.0
BT5.3
BT6.0
Background Noise
≤25uV
≤23uV
≤20uV
Output Power@16Ω
≥14mW
≥28mW
≥30mW
Signal-to-Noise Ratio
-88dB (A)
≥98dB (A)
≥98dB (A)
Latency
300ms
180ms
170ms
Buttons
physical
physical
touch
Transmission Range
10m
15m
20m
0.78mm
TRN Scallop 0.75mm connector
0.75mm
TRN Scallop 0.78mm connector
2Pin-S
TRN Scallop 2Pin-S connector
MMCX
TRN Scallop MMCX connector
TRN Scallop 0.78+2Pin-S+MMCX
TRN Scallop 0.78+2Pin-S+MMCX connectors

Contacts

Dongguan Zuodu Acoustics Technology Co., Ltd.
Address: 9F, Building 3, NO.36 Taibao Road, Wanke Binhai Metropolis, Humen Town, Dongguan City, Guangdong Province
Hotline: +86 13650007224
Email: 1253011706@qq.com