What is the frequency response range?

The frequency response range is 20HZ-20KHZ.

3EQ Audio Auto Switching Portable Rotatable Foldable Headband Bluetooth Wireless Headset

Name: 3EQ Audio Auto Switching Portable Rotatable Foldable Headband Bluetooth Wireless Headset
Brand: NINGBO HAISHU HOPE-U INTERNATIONAL TRADING CO., LTD.
SKU: 1920950056

Zhejiang, ChinaNINGBO HAISHU HOPE-U INTERNATIONAL TRADING CO., LTD.

US$18.00

2 Pieces

Product profile

Customization

Available

Style

In-ear

Usage

Mobile Phone, Call Center, MP3 & MP4, Game Player

Model NO.

Bluetooth Version

5.3

Soundtrack

Bilateral Stereo

Function

Bluetooth, Multimedia, USB, Infrared, RF

Characteristics

Support Music

Color

Black

Specifications

Earbuds

Custom

Yes

Communication

Wireless

Battery

1000mAh

Sensitivity

98dB

Certificate

FCC CE RoHS

Special Function

Headphone+Speaker

Scope of Work

10 Meters

Transport Package

Color Box 195*56*199mm

Trademark

oem

Origin

Guangdong

HS Code

851762990

Production Capacity

50000pieces/Year

Key features

Bluetooth 5.3 Connectivity: Features advanced Bluetooth 5.3 for stable wireless connection.

1000mAh Battery Capacity: Equipped with a 1000mAh battery for extended usage time.

Bilateral Stereo Sound: Delivers high-quality bilateral stereo soundtracks for immersive audio.

Multi-Function Support: Supports Bluetooth, Multimedia, USB, Infrared, and RF functions.

Certified Quality: Complies with FCC, CE, and RoHS safety and quality standards.

Versatile Usage Scenarios: Ideal for mobile phones, call centers, MP3/MP4 players, and gaming.

Company profile

NINGBO HAISHU HOPE-U INTERNATIONAL TRADING CO., LTD.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2008-03-13Nearest Port: Ningbo, Shanghai, ShenzhenAverage Response Time: ≤4.36hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryNINGBO HAISHU HOPE-U INTERNATIONAL TRADING CO., LTD. is identified as a China-based limited company and manufacturer/factory operating from Ningbo, Zhejiang. It supplies outdoor camping products, consumer electronics, daily necessities, beauty devices, and related promotional products. Evidence indicates four production lines, 6–10 quality-control staff, 6–10 years of R&D-engineer experience, an off-peak lead time of one month, and peak-season fulfillment of 2–3 months. The supplier reports BSCI, ISO 9001, and ISO 14064 certifications, along with inspection before shipment. It supports product development involving 3D design, samples, and tooling, and reports Walmart and Daiso as customers. However, after-sales processes, financial credibility, and the scope or validity of certifications are not sufficiently documented in the provided information.

Supplier typeThe supplier is described as both a trade company and a manufacturer/factory. It is a limited company located in Ningbo, Zhejiang, China, with a stated operating address and self-described manufacturing status.

CertificationsThe supplier reports holding BSCI, ISO 9001, and ISO 14064 certifications. The slices do not provide certificate numbers, issuing bodies, validity dates, or covered facilities, so the certifications are reported but not independently verifiable from the available evidence.

R&D capabilityThe supplier reports launching more than 25 new items monthly, maintaining 6–10 years of R&D-engineer experience, and developing original designs intended for patent protection. It also supports 3D design, 3D samples, and tooling for new products, providing explicit evidence of product-development activity.

Production capacityThe supplier reports four production lines, 6–10 quality-control staff, headphone output of 5,000,000 pieces annually, a one-month off-peak lead time, and a peak-season order-fulfillment period of 2–3 months. It also states that every product is inspected before shipment, indicating defined production and quality-control resources.

Customization capabilityThe supplier explicitly states that it cooperates with customers on new-product development, including 3D design, 3D samples, and tooling. Its reference to original design and patent protection further supports customization and development capability.

Client casesThe supplier identifies Walmart and Daiso as customers and reports regional sales across the USA, Japan, Germany, Spain, and France. The trade data also lists DIGITAL DOCTOR PRIVATE LIMITED as an associated buyer, but only one trade transaction is shown, and no order scope or independently verified customer reference is provided.