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TS-K4 TWS Earbuds with Bluetooth 5.4

Bluetooth 5.4 TWS earbuds with ENC calling, designed for OEM, private label, wholesale and distributor projects.

  • Bluetooth 5.4: stable wireless connection
  • ENC: clear calling support
  • JL6973D4 Chipset: reliable TWS platform
  • Battery Life: 5–5.5 hours / 20–24 hours total with charging case
  • Touch Control: convenient everyday operation
  • OEM / Private Label: logo & packaging customization

Model: TS-K4
Colors: White, Black, Silver
MOQ: 1,000 pcs
For B2B orders, samples and custom branding projects.

ENC · BLUETOOTH 5.4 · OEM TWS

TS-K4 Bluetooth 5.4 TWS Earbuds for OEM & Private Label

TS-K4 is a Bluetooth 5.4 true wireless earbuds platform featuring ENC calling, JL6973D4 chipset, touch control and USB Type-C charging. It is designed for brands, importers, distributors and wholesalers developing private-label TWS earbuds product lines.
Bluetooth 5.4 ENC Calling JL6973D4 5–5.5H Playback Type-C Private Label

B2B Project Information

Model TS-K4
Product Type ENC TWS Earbuds
Bluetooth Bluetooth 5.4
Typical MOQ 1,000 pcs
Customization OEM / Private Label
PRODUCT HIGHLIGHTS

TS-K4 at a Glance

A mainstream TWS platform combining Bluetooth 5.4, ENC calling, touch control and private-label customization for volume B2B projects.

5.4

Bluetooth

Bluetooth 5.4 platform for everyday wireless music and calls.

ENC

Calling Support

ENC functionality designed to support clearer voice pickup during Bluetooth calls.

5–5.5H

Play Time

Typical earbud playback of approximately five to five and a half hours.

1K

Typical MOQ

Typical B2B project MOQ starts from approximately 1,000 pieces.

KEY FEATURES

Core Features for Mainstream TWS Projects

TS-K4 provides a practical combination of wireless connectivity, calling support and everyday functions for branded TWS earbuds projects.

✓

Bluetooth 5.4

Bluetooth 5.4 provides the wireless platform for music, calls and everyday true wireless applications.

✓

ENC Calling

ENC functionality is designed to improve voice pickup and reduce selected environmental noise during calls.

✓

JL6973D4 Chipset

The TS-K4 configuration described on this page uses the JL6973D4 Bluetooth chipset.

✓

Touch Control

Integrated touch controls provide convenient operation for supported everyday functions.

✓

USB Type-C Charging

The charging case uses a USB Type-C interface for convenient charging.

✓

IPX4

The specified TS-K4 configuration carries an IPX4 water-resistance rating.

CONNECTIVITY & CALLING

Bluetooth 5.4 + ENC Calling

A practical wireless configuration designed around everyday music playback and Bluetooth calling.

CONNECTIVITY

Bluetooth 5.4 Platform

Bluetooth 5.4 provides the wireless platform for music playback, voice calls and everyday true wireless use in the specified TS-K4 configuration.

CALLING

ENC Calling Support

ENC calling functionality is designed to improve voice pickup and reduce selected environmental noise during Bluetooth calls.

BATTERY & DAILY USE

TS-K4 Battery Configuration

Each TS-K4 earbud uses a 30mAh battery, while the charging case uses a 250mAh battery. Typical earbud playback is approximately 5–5.5 hours, with total playback reaching approximately 20–24 hours when used with the charging case.

Actual battery performance can vary according to volume, call usage, Bluetooth connection conditions and other operating factors.

30mAh Earbud Battery
250mAh Charging Case
5–5.5H Play Time
20–24H Total Play Time
B2B APPLICATIONS

Suitable for Private-Label TWS Earbuds Programs

TS-K4 can be evaluated for brands and B2B buyers looking for a mature Bluetooth 5.4 TWS earbuds platform.

Consumer Audio Brands

Private-label Bluetooth earbuds product ranges.

Importers & Distributors

Volume TWS earbuds sourcing projects.

Retail Programs

Branded earbuds with custom retail packaging.

Wholesale Buyers

Bulk Bluetooth earbuds for regional distribution.

PRODUCT SPECIFICATIONS

TS-K4 Technical Specifications

Core specifications should be confirmed against the final selected configuration before mass production.

Model
TS-K4
Product Type
ENC TWS Wireless Earbuds
Bluetooth Version
Bluetooth 5.4
Chipset
JL6973D4
Call Noise Reduction
ENC
Earbud Battery
30mAh
Charging Case Battery
250mAh
Play Time
Approx. 5–5.5 Hours
Total Play Time
Approx. 20–24 Hours with Charging Case
Charging Port
USB Type-C
Water Resistance
IPX4
Control
Touch Control
Colors
White, Black, Silver
Typical MOQ
1,000 pcs
Customization
OEM / Private Label branding and packaging options
OEM · ODM · PRIVATE LABEL

Customize TS-K4 for Your Brand

TS-K4 can be used as a mature Bluetooth earbuds platform for OEM and private-label projects. Customization depends on project quantity, technical feasibility and the final confirmed configuration.

✓ Logo Printing
✓ Custom Packaging
✓ Product / Case Colors
✓ Bluetooth Device Name
✓ Voice Prompts
✓ Manuals & Labels
✓ Selected Firmware Functions
✓ Accessories
MANUFACTURING & QUALITY

From Product Requirement to Mass Production

Tashells Audio supports Bluetooth audio projects from product confirmation and customization through production, inspection and packaging at our production facility in Fenggang, Dongguan, Guangdong, China.

✓

Functional Testing

Applicable checks can include Bluetooth connection, audio, microphones, touch controls, charging and selected product functions.

✓

Appearance Inspection

Housing condition, assembly consistency, logo printing and visible cosmetic details can be checked according to confirmed project requirements.

✓

Packaging Inspection

Accessories, manuals, labels, barcodes and retail packaging are checked against confirmed order requirements.

COMPLIANCE SUPPORT

Documentation for Bluetooth Earbuds Projects

Common documentation can include CE, RoHS, FCC and applicable battery MSDS documentation. Additional project-specific certification or third-party testing can be evaluated according to destination market and customer requirements.

CE Commonly requested for applicable European projects.
RoHS Common environmental compliance documentation.
FCC Commonly requested for applicable U.S. projects.
MSDS Applicable battery documentation can be provided.
BUYER FAQ

TS-K4 Frequently Asked Questions

What is the MOQ for TS-K4?
The typical MOQ for TS-K4 is approximately 1,000 pieces. Final MOQ can depend on branding, packaging and other customization requirements.
What Bluetooth version does TS-K4 use?
The TS-K4 configuration described on this page uses Bluetooth 5.4 with the JL6973D4 chipset.
Does TS-K4 support ENC calling?
Yes. The specified TS-K4 configuration supports ENC calling designed to improve voice pickup and reduce selected environmental noise during Bluetooth calls.
Does TS-K4 support ANC?
ANC is not listed for the TS-K4 configuration described on this page. Buyers requiring active noise cancellation can review our dedicated ANC earbuds range.
How long does the TS-K4 battery last?
Typical earbud playback is approximately 5–5.5 hours, with approximately 20–24 hours of total playback when used with the charging case. Actual performance varies according to operating conditions.
What colors are available?
The listed standard colors are white, black and silver. Additional requirements can be evaluated according to order quantity and project requirements.
Can we customize our logo and packaging?
Yes. Logo and retail packaging customization can be evaluated according to the confirmed quantity, artwork and project requirements.
Can we order samples before mass production?
Sample evaluation can be arranged before mass production so buyers can review the selected configuration, audio, calling and other applicable functions.
EXPLORE TASHELLS

More TWS Earbuds & Manufacturing Resources

START YOUR TWS EARBUDS PROJECT

Looking for TS-K4 OEM Pricing?

Tell us your target market, expected quantity, branding requirements, packaging needs and other product requirements. Our team can evaluate the appropriate TS-K4 configuration for your project.

MOQ From 1,000 pcs Bluetooth 5.4 + ENC OEM / Private Label
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