Do you have product design patents?

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

Do you have testing reports and certificates?

Yes, hot-selling models come with CE, RoHS, MSDS, UN38.3, KC, and IEC62133 certificates and reports.

Bluetooth 5.4 Open Ear Tws Earbuds Long Battery Life Rotating Charging Case Ows Headphones

Name: Bluetooth 5.4 Open Ear Tws Earbuds Long Battery Life Rotating Charging Case Ows Headphones
Brand: Roman Technology Co., Ltd
SKU: 1982127591

Guangdong, ChinaRoman Technology Co., Ltd

US$5.99

1-2,999 Pieces

US$5.98

3,000+ Pieces

Sample price:US$5.98/piece.Request sample

Product profile

Style

Ear Hook

Usage

Mobile Phone, MP3 & MP4, Computer

Bluetooth Version

Bluetooth 5.4

Model NO.

O15

Soundtrack

Dual Track

Function

Bluetooth

Characteristics

Voice Control

Color

White

Specifications

HSP

Distance version

Class B

Service

OEM/ODM

Chipset

5656c2 V5.4

Profile

Avdtp/Avrcp/A2dp

Frequency

2.402-2.480GHz

Music Time

Talking Time

Standby Time

80h

Charging Time

Headset Battery

30mAh*2

Charging Base Battery

250mAh

Charging Port

Type-C

Features

Rotating Case

Transmission Distance

10m

Certifications

CE, RoHS

Customization

Logo& Pattern&Packaging&Graphic Customization

Transport Package

Box

Trademark

Customized

Origin

Guangdong, China

HS Code

8517629400

Production Capacity

100000pieces/Months

Key features

Bluetooth 5.4 Connectivity: Features Bluetooth 5.4 with 5656C2 chipset for stable transmission.

Long Battery Life: 5h music, 3h talk, 80h standby with 250mAh charging case.

Rotating Charging Case: Unique rotating design for easy storage and convenient charging.

OEM/ODM Customization: Supports logo, packaging, design, and graphic customization.

Open Ear Design: Ear hook style with voice control for comfortable mobile use.

Quality Certifications: CE, RoHS, FCC, ISO 9001, BSCI certified for global safety.

Fast Sample Delivery: Sample lead time 2-3 days; mass production 25-30 days.

12-Month Warranty: Comprehensive 12-month warranty for all defective products.

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.

Product Q&A

Q:Can you customize our design with our LOGO?

Yes, we offer OEM/ODM services including logo printing, radium engraving, embossing, and custom packaging. 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 defective items received by clients.

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

Sample delivery takes 2-3 days. For bulk orders over 1000 pieces, the lead time is 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 testing labs, tooling, injection, and assembly departments.