Do you have product design patents?

Yes, most of our products feature original and private designs, and we have applied for design patents for most of them.

What testing reports and certificates do you provide?

Most hot-selling models come with necessary certificates and reports such as CE, ROHS, MSDS, UN38.3, KC, and IEC62133.

Best Waterproof Portable Wireless Bluetooth Speakers for Sport & Outdoor

Name: Best Waterproof Portable Wireless Bluetooth Speakers for Sport & Outdoor
Brand: Roman Technology Co., Ltd
SKU: 1966411041

Guangdong, ChinaRoman Technology Co., Ltd

US$4.50-5.35

1 Piece

Sample price:US$5.35/piece.Request sample

Product profile

Customization

Available

Type

Bluetooth Wireless Speaker

Amplification Type

Active

Model NO.

B11

Speaker Material

Plastic

Usage

Mobile Phone, Computer

SNR

81-90dB

Color

Green & Blue

Special Function

Memory Card Support, Waterproof

Compatible Product

Universal

Service

OEM ODM

Chipset

6965e+Haa9811

Bluetooth Version

Bluetooth 5.4

Battery

901635 3.7V/600mAh with Ntc

Play Time

10 Hours (50% Volume) 2 Hours (100% Volume)

Charging Current

500A (Support Playback While Changing)

Charging Time

2 Hours

Speaker Size

φ 33mm 4 Ω 3W

Sensitivity

80dB± 3dB

Frequency Range

290Hz–20 kHz

Charge Port

Type C

IP Grade

Ipx7

Wireless Range

10m (Free Space)

Certification

Transport Package

Box

Specification

48*28*78mm

Trademark

Customized

Origin

Guangdong, China

HS Code

8517629400

Production Capacity

100000pieces/Months

Key features

IPX7 Waterproof Rating: Fully waterproof with IPX7 grade, suitable for outdoor and sports use.

Clip-on Portable Design: Features a convenient clip-on design for easy carrying and secure attachment.

Bluetooth 5.4 Connectivity: Advanced Bluetooth 5.4 chip ensures stable connection up to 10m range.

10 Hours Battery Life: Provides up to 10 hours of playtime at 50% volume with 600mAh battery.

LED Light Effect: Integrated LED light adds visual appeal for outdoor and party scenarios.

OEM/ODM Customization: Supports logo, packaging, and graphic customization for brand partners.

Multi-Certification Quality: Products certified with CE, ROHS, FCC, and ISO 9001 for global safety.

Memory Card Support: Includes special function for memory card support for versatile audio playback.

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, 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 the product with our logo and design?

Yes, we offer OEM/ODM services. We support customized logos, radium engraving, embossing, and designed packaging boxes. Engineers provide technical or new design 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 are the delivery times for samples and bulk orders?

Sample delivery takes 2-3 days. For bulk orders of more than 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 and private designs, complete manufacturing facilities including reliability testing labs, tooling development, plastic injection, and assembly departments.