What is the speaker driver size?

It features a 40mm speaker driver for Hi-Res stereo sound.

Can I use it for hands-free calls?

Yes, the built-in microphone supports hands-free calling functionality.

What is the standby time?

The standby time is up to 300 hours.

B40 Stereo Over-Ear Wireless Cordless Gaming Bluetooth Microphone Headset Headphone

Name: B40 Stereo Over-Ear Wireless Cordless Gaming Bluetooth Microphone Headset Headphone
Brand: ZHONGSHAN KWANGNA GLOBAL SUPPLY CHAIN CO., LTD
SKU: 2160771492

Guangdong, ChinaZHONGSHAN KWANGNA GLOBAL SUPPLY CHAIN CO., LTD

US$7.00

100 Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Style

Headband

Usage

Mobile Phone, MP3 & MP4, Computer, Game Player, Aviation, DJ

Model NO.

KW-GZQS-B40

Bluetooth Version

Bluetrum 5605b Stereo

Soundtrack

Dual Track

Function

Bluetooth, USB

Characteristics

Voice Control

Color

Black, Silver, Green, Blue, Pink

Specifications

Impedance 2ω

Distance version

Class A

Battery

150 mAh Rechargeable Lithium Battery

Charging Time

1.5 Hours

Speaker Driver

40mm

Frequency Response

20Hz-20kHz

Rated Power

15MW×2

Music Playback Time

5 Hours

Single Package Size

18.2×5×21 Cm

Weight with Package

225g

Carton Size

68×45×57 Cm

Carton Gross Weight

15kg

Quantity Per Carton

60 PCS

Charging Port

Type-C

Working Time

4 Hours

Standby Time

300 Hours

Available Colors

Black, Silver, Green, Blue, Pink

Transport Package

Color Box + Carton

Specification

Bluetrum 5605B Stereo

Trademark

OEM

Origin

China

Key features

Ultra-Long Battery Life: 150mAh battery provides 5-8 hours of music playback with 1.5-2 hour charging time.

Hi-Res Stereo Sound: 40mm speaker driver delivers crisp highs and deep bass for immersive audio.

Multi-Color Options: Available in Black, Silver, Green, Blue, and Pink to suit personal style.

Universal Compatibility: Seamlessly connects to iOS, Android, Windows devices, phones, laptops, and consoles.

Stable Bluetooth Connection: Bluetrum 5605B chip ensures quick pairing and supports wireless and wired modes.

One-Click Control: Intuitive buttons for play/pause, track skipping, volume adjustment, and hands-free calls.

Comfortable Over-Ear Design: Lightweight build with soft padded ear cushions and breathable headband for all-day wear.

Type-C Charging Port: Modern Type-C interface for fast and convenient recharging.

Company profile

ZHONGSHAN KWANGNA GLOBAL SUPPLY CHAIN CO., LTDGuangdong, China

Business Type: Manufacturer/FactoryExport Year: 2001-06-01Nearest Port: ZHONGSHAN, SHENZHEN, GUAGNZHOUAverage Response Time: ≤1.98hTerms of Payment: T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF, DDP

AI-Powered supplier vetting

SummaryThe supplier is identified as a China-based trading company in Zhongshan, Guangdong, focused on supply-chain services, household appliances, personal care, cleaning products, and related goods. It claims air and sea freight, customs clearance, one-stop procurement, and after-sales service. Evidence indicates more than 10 production lines are operated, but fewer than five quality-control staff are reported. The supplier has stated export activity and logistics experience, while its corporate identity and operating history are inconsistent across the records: one entity was established in 2025, another export history begins in 2001, and a separate profile describes a cosmetics and biotechnology enterprise. No certifications or financial evidence are provided. Only limited trade records are shown, with one buyer and two product entries.

Supplier typeThe supplier is explicitly classified as a trading company, while another record names KWANGNA IMPORT & EXPORT CO., LTD and describes it as a high-tech enterprise focused on cosmetics and personal-care R&D. The records therefore support a trading and export-oriented profile, but also show entity-description inconsistency.

After-Sales capabilityThe company states that it completes after-sales service itself and offers air freight, sea freight, customs clearance, and delivery to a destination port or customer warehouse. These are explicit capability claims, although no service process, staffing, response metrics, or supporting records are provided.

R&D capabilityOne profile explicitly describes KWANGNA as a national high-tech enterprise focused on R&D, innovation, nano liposomes, biotechnology, cosmetics, and personal-care applications. However, this profile is associated with a different stated company name than the global supply-chain entity, so the evidence supports innovation capability only at the reported KWANGNA enterprise level.

Production capacityThe supplier reports operating more than 10 production lines and offers small household appliances and household, personal-care, and cleaning-related products. At the same time, fewer than five quality-control staff are reported, indicating a limited stated QC workforce relative to the reported production-line count.

Client casesTwo trade records identify PLAGXPERT S A S as the buyer, covering TUBOS LED and LAMINA PEGANTE ATRAPA INSECTOS, with one and two transactions respectively. This provides limited evidence of an identified buyer relationship, but not a broad or well-documented customer portfolio.