Do you have product design patents?

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

What are the main advantages of your factory?

We have a strong R&D team, over 240 patents, and complete manufacturing facilities including testing labs and injection departments.

C-Bridge Open Headphones - Wireless Sport Earbuds with Ear Clip

Name: C-Bridge Open Headphones - Wireless Sport Earbuds with Ear Clip
Brand: Roman Technology Co., Ltd
SKU: 1964836401

Guangdong, ChinaRoman Technology Co., Ltd

US$4.02-4.55

1 Piece

Sample price:US$4.55/piece.Request sample

Product profile

Style

Open Earbuds

Usage

Mobile Phone, MP3 & MP4, Computer

Bluetooth Version

5.4

Model NO.

T-04

Soundtrack

Dual Track

Function

Bluetooth, Infrared

Characteristics

Voice Control

Color

Black

Specifications

A2DP

Distance version

Class B

Service

OEM ODM

Chipset

Ab5756c V5.4

Profile

Avdtp/Avrcp/A2dp

Charging Port

Type C

Frequency

2.402GHz - 2.480GHz

Music Time

Talking Time

Standby Time

120h

Charging Time

Headset Battery

30mAh*2

Charging Base Battery

230mAh

Weight

41.2g

Single Earbud Weight

4.5g

Customization

Logo& Pattern&Packaging&Graphic Customization

Colors

Purple, White, Black or Customize

Transport Package

Customized

Specification

63*51*30mm

Trademark

Customized

Origin

Guangdong, China

HS Code

8517629400

Production Capacity

100000pieces/Months

Key features

Bluetooth 5.4 Technology: Features advanced Bluetooth 5.4 for stable and fast wireless connectivity.

Open Ear Clip Design: Secure and comfortable open-ear style suitable for sports and mobile use.

OEM/ODM Customization: Supports logo, pattern, packaging, and graphic customization for brands.

Multi-Color Options: Available in Purple, White, Black, or fully customized colors.

Voice Control Function: Integrated voice control feature for hands-free operation.

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

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

Strong R&D Capability: Over 240 core patents and independent acoustic lab for innovation.

Company profile

Roman Technology Co., LtdGuangdong, 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: ≤24h

AI-Powered supplier vetting

SummaryROMAN TECHNOLOGY CO., LTD demonstrates substantial product development, customization, OEM/ODM, and manufacturing capabilities. It reports new products within the past year, multiple customization formats, OEM service for well-known brands, and monthly production capacity exceeding one million units. The supplier has 12 years of export experience, with exports representing 90% of total sales, and has participated in major overseas trade shows. However, it reports no overseas showroom, agents, branches, warehouse, or in-stock service capability. Certification status, financial credibility, formal quality assurance, raw-material traceability, and structured after-sales processes are not sufficiently evidenced. One buyer and product-related transaction references are provided, but the customer-case evidence is limited.

Supplier typeThe supplier presents itself as a manufacturer with independent R&D and smart manufacturing capabilities, offering OEM and ODM services. Its reported product development and manufacturing infrastructure support classification as an OEM/ODM-capable manufacturer rather than only a trading intermediary.

R&D capabilityThe supplier reports new products within the past year, an independent product R&D institute, continuous technology development, and flexible design services. It also offers ODM, although no SDK is available; overall, the evidence supports active product innovation capability.

Production capacityThe supplier states that it has standardized processes from raw-material procurement through testing and shipping and monthly production capacity exceeding one million units. However, ongoing capacity reconciliation, outsourcing procedures, and manufacturing contracts are unverified, while in-stock and overseas-warehouse services are unavailable; the stated manufacturing scale is positive but operational controls remain partly undocumented.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, together with ODM services. These repeated, specific service options provide clear evidence of broad customization capability.