ISK Wireless | Professional Bluetooth Earphones Manufacturer

About ISK Wireless

Shenzhen Shengdaren Technology Co., Ltd., operating as ISK Wireless, was established in 2013 and is located in Longhua District, Shenzhen. We are a professional manufacturer specializing in the design and production of Bluetooth audio devices, including TWS earbuds, ANC headphones, neckband earphones, and Bluetooth smart sunglasses.

Our factory spans over 7,000 square meters and operates with 500 skilled workers across 9 production lines. We maintain a dust-free workshop and enforce strict quality control procedures at every stage. Our R&D team consists of engineers with over 10 years of experience in Bluetooth technology, ensuring continuous innovation and product excellence.

Quality Commitment

"Quality is life" — a principle deeply embedded in our culture. All products are manufactured under the ISO9001 Quality Management System, with 100% on-site QC inspection. We hold certifications including CE, RoHS, FCC, REACH, KC, TELEC, PSE, MSDS, and UN38.3.

7,000+

Square Meters Factory

500+

Skilled Workers

Production Lines

10+

Years R&D Experience

Our Products

Discover our wide range of high-performance Bluetooth audio devices, designed for superior sound, comfort, and durability. All products support OEM/ODM customization.

i60 Open Ear TWS

Open-ear design, stereo sound, 800mAh charging case

Open-ear comfort
800mAh charging case
Good sound quality

i51 Open Ear TWS

Out-ear design, stereo earphones, 800mAh charging case

Out-ear fit
800mAh charging case
Stereo audio

i53 Mini TWS

In-ear design, good sound, 400mAh charging case

Compact design
400mAh charging case
In-ear fit

i52 Mini TWS

Good sound stereo earphones, 400mAh charging case

Stereo sound
400mAh charging case
Mini design

i50 Mini TWS

Deep bass stereo earphones, 400mAh charging case

Deep bass audio
400mAh charging case
In-ear comfort

i27 TWS Earphones

Bluetooth 5.3, IPX7 waterproof, sport headset

Bluetooth 5.3
IPX7 Waterproof
Sport design

i26 TWS Earphones

Bluetooth 5.1, LED display, mini headset

Bluetooth 5.1
LED battery display
Mini size

i18 TWS Earphones

Bluetooth 5.0, LED display, in-ear stereo

Bluetooth 5.0
LED display
In-ear fit

ANC Bluetooth Headphones

Active Noise Cancellation, premium audio

ANC Technology
High-fidelity sound
Long battery life

Neckband Bluetooth Earphones

Comfortable neckband, stable connection

Ergonomic design
Bluetooth stability
All-day wear

Bluetooth Smart Sunglasses

Audio + UV protection, stylish design

Built-in speakers
UV400 protection
Hands-free calls

Bluetooth Speaker

Portable, powerful sound, long battery

Portable design
360° sound
Long playback time

View All Products on Official Site

Why Choose ISK Wireless?

We combine innovation, quality, and service to deliver exceptional value to global partners.

Advanced R&D

Our engineering team has over a decade of experience in Bluetooth technology, ensuring cutting-edge innovation and reliable performance in every product.

Certified Quality

ISO9001 certified with 100% on-site QC. Products meet CE, RoHS, FCC, REACH, KC, TELEC, PSE, and UN38.3 standards for global compliance.

OEM/ODM Expertise

Full-service solutions including OEM, ODM, PCBA, and complete product development — from concept to mass production.

Global Reach

Products exported to Korea, Japan, Russia, Southeast Asia, Europe, and the Americas — trusted by international distributors and brands.

Reliable Partnership

We prioritize long-term relationships, offering competitive pricing, consistent quality, and responsive service to support your business growth.

BSCI Certified

Our factory has successfully passed BSCI audit, demonstrating our commitment to ethical labor practices and responsible manufacturing.

10+

Years in Market

7,000+

Factory Size (m²)

500+

Employees

Production Lines

Frequently Asked Questions

What is ANC, ENC, CVC, DSP noise cancellation?

ANC (Active Noise Cancellation) uses microphones to detect ambient noise and generate inverse sound waves to cancel it. ENC (Environmental Noise Cancellation) enhances voice clarity during calls. CVC (Clear Voice Capture) and DSP (Digital Signal Processing) are technologies that filter out background noise for clearer audio. Each serves different purposes in improving listening and calling experiences.

Do you offer OEM/ODM services?

Yes, we provide comprehensive OEM and ODM services, including custom design, branding, packaging, and full product development. Our team supports clients from concept to mass production.

What certifications do your products have?

Our products comply with international standards and hold certifications including CE, RoHS, FCC, REACH, KC, TELEC, PSE, MSDS, and UN38.3.

Where are your products sold?

Our products are widely distributed across Korea, Japan, Russia, Southeast Asia, Europe, and the Americas.

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Professional Bluetooth Earphones Manufacturer