Do you have product design patents?

Yes, most of our products are original and private designs with applied design patents.

What testing reports and certificates are available?

We provide necessary certificates such as CE, ROHS, MSDS, UN38.3, KC, IEC62133, and more for hot-selling models.

Hot Sale LED Battery Display Mini Tws Earbuds Bluetooth Semi in-Ear Wireless Earbud

Name: Hot Sale LED Battery Display Mini Tws Earbuds Bluetooth Semi in-Ear Wireless Earbud
Brand: Roman Technology Co., Ltd
SKU: 1982385711

Guangdong, ChinaRoman Technology Co., Ltd

US$3.50

50 Pieces

Product specifications

Color

Sample price:US$3.50/piece.Request sample

Product profile

Customization

Available

Style

In-ear

Usage

Mobile Phone, MP3 & MP4, Computer

Model NO.

D01

Bluetooth Version

Bluetooth 5.4

Soundtrack

Dual Track

Function

Bluetooth

Characteristics

Voice Control

Color

White

Specifications

A2DP

Distance version

Class B

Chipset

Bluetrum 5636

Loudspeaker

φ13mm Composite Diaphragm Speaker

Headset Battery

33mAh*2

Charging Base Battery

300mAh

Shut-off Standby Duration

About 180 Days

Music Play Time

Call Time

Earphone Charging Time

About 40 Minutes

Charging Case Charging Time

About 1 Hour

Transmission Distance

10m

Charging Port

Type C

Charging Voltage

DC5V/1A

Packaging Size

9.5*3.5*11cm

Weight

70g

MOQ

50PCS

Transport Package

Customized

Trademark

Customized

Origin

Guangdong, China

HS Code

8517629400

Production Capacity

100000pieces/Months

Key features

LED Battery Display: Users can check the precise battery level at any time via LED display.

Transparent Case Design: Stylish transparent case allows visibility of earphones without opening the lid.

Bluetooth 5.4 Technology: Features Bluetooth 5.4 for stable connectivity and dual-track sound.

Long Battery Life: 5 hours music/call time with 180 days standby duration.

OEM & ODM Support: Full customization for logo, design, packaging, and technical adjustments.

Certified Quality: Products certified with CE, ROHS, FCC, ISO 9001, and BSCI.

Fast Sample Delivery: Samples delivered in 2-3 days for quick verification.

Voice Control Function: Integrated voice control feature for convenient operation.

Company profile

ODM ServicesOEM ServicesYears of Export ExperienceExhibition Experience

Roman Technology Co., Ltd

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryROMAN TECHNOLOGY CO., LTD demonstrates substantial product development, customization, export, OEM, and manufacturing capabilities. It reports new-product activity, ODM services, multiple customization options, OEM service for known brands, participation in major overseas trade shows, and stated monthly production capacity exceeding one million units. However, the evidence does not establish certification holdings, financial strength, or formal quality-assurance status. The supplier has no overseas showroom, overseas agents or branches, overseas warehouse, or in-stock service capability. Raw-material traceability and several manufacturing-control procedures are also unresolved. Customer evidence is limited to named product/order records and one associated buyer, so customer-case depth cannot be fully assessed.

Supplier typeThe supplier presents itself as a manufacturer with R&D, ODM, OEM, and smart-manufacturing capabilities. Its product records cover styling irons, curling irons, and hair-dryer parts, while the stated manufacturing description includes production, testing, and shipping activities.

After-Sales capabilityThe supplier reports no overseas showroom, overseas agents or branches, overseas warehouse, or in-stock service capability. Although it has attended offline trade shows, the evidence does not establish an effective after-sales network or complaint-resolution process; complaint handling is recorded only as “Others.”

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and maintains a product R&D institute. It also describes continuous technology exploration and process optimization, although no SDK is available.

Production capacityThe supplier states that it has standardized processes from raw-material procurement through final testing and shipping and monthly production capacity exceeding one million units. However, it reports no in-stock capability, no overseas warehouse, and unresolved status for capacity reconciliation, outsourcing procedures, and manufacturing contracts.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. This range is directly supported in two slices and indicates broad customization coverage.

Client casesThe supplier reports OEM service for known brands and provides product/order records for styling irons, curling irons, and hair-dryer parts. One associated buyer, ELIN APPLIANCES PRIVATE LIMITED, is identified, but the evidence is too limited to establish the scale or breadth of its customer portfolio.

Product Q&A

Q:Can you customize designs with our LOGO?

Yes, we offer OEM/ODM services including customized LOGO, radium engraving, embossing, and designed packaging boxes. Engineers provide technical solutions within 2-3 days.

Q:What is the warranty period for defective products?

We offer a 12-month warranty for all products to handle any defects.

Q:What is the delivery time for samples and bulk orders?

Samples take 2-3 days. Bulk orders of more than 1000 pieces take 25 working days.

Q:Is the factory audited or verified?

Yes, we are a TWS factory audited with BSCI and ISO 9001 certifications.

Q:What are the major advantages of your factory?

We have an R&D team for original designs, complete manufacturing facilities including reliability testing, tooling, injection, printing, and assembly departments.