Catherine

4utechnc | Your China partner for TWS, Bluetooth audio products and smart wearables, Advertising media players,offering flexible MOQ and OEM/ODM

[Catherine @lujianchun]

🎧 New Hybrid ANC Headphones!

✔ Up to 35dB ANC
✔ 750mAh | 80–100H working time
✔ Bluetooth 6.0
✔ Premium finish, competitive Q4 pricing
Stable production. Fast delivery. OEM welcome.
📩 DM us for a quotation!
#Headphones #ANC #OEM

[Catherine @lujianchun]

Great conversations in Hong Kong! 🇭🇰🤝

Yesterday was about reconnecting with old friends, meeting new customers, and exploring new opportunities face-to-face.

Strong relationships start with meaningful conversations. Looking forward to what’s next!

#GlobalSources #HongKong

[Catherine @lujianchun]

https://t.co/JNrJrenKOp

[Catherine @lujianchun]

A little different from traditional TWS.
Meet our Clip-On Open Ear Earbuds — combining a unique ear-worn design with eye-catching metallic details.
🤍 White | 🖤 Black | 💙 Blue | 💗 Pink | 🌸 Light Pink Stylish, lightweight and designed for customers who want something special.

[Catherine @lujianchun]

Detachable, Replace. Recharge. Keep Going.
What makes these OWS earbuds different?
The battery is replaceable.
Open-ear ear-hook design
2 pairs of replaceable batteries
1000mAh charging case

[Catherine @lujianchun]

You found the cutests fluffy wireless headphones on earth! 🐰✨ https://t.co/mLZFsl1OlB 来自 @YouTube

[Catherine @lujianchun]

100-Hour Battery 🔋 + Bluetooth 6.0 ⚡ + -40dB Hybrid ANC 🤫 = The brand new J25 Wireless Headphones.Driven by the latest JL7083F chipset, this flagship headset delivers studio sound (Ø40mm driver/AAC) and crystal-clear business calls via a 9-Mic ENC matrix. 🎤✨We offer full OEM

[Catherine @lujianchun]

New audio arrivals
Introducing our latest H10 & H20 Bluetooth Headphones — modern metal-look designs with noise reduction and 40mm drivers.

Two different looks, multiple color options, and flexible order quantities for different markets.

More new audio products are on the way.

[Catherine @lujianchun]

For our latest product catalogues, specifications, and sample selection center, please feel free to contact me.

I will be happy to share the link and help you find the suitable products for your market.

Looking forward to connecting with you. 🤝

[Catherine @lujianchun]

A new step forward 🚀
I’ve updated my product quotation system and sample selection center to make product browsing, sample selection, and communication easier for global customers.
Focused on TWS earbuds, headphones & smart wearable solutions.
Better process. Better service.

[Catherine @lujianchun]

Hi, we have updated our latest product quotation files for this month.
Including:
🎧 Standard TWS Earbuds
🕶️ Smart Bluetooth Glasses
🎧 Premium Metal Headphones
🎧 Fashion TWS Earbuds (OEM/ODM)
Different solutions for distributors, wholesalers, and brand projects.

[Catherine @lujianchun]

🌙✨ Happy Qixi Festival | Chinese Valentine’s Day ❤️
May every connection bring happiness, and every partnership create new possibilities.
Technology connects people.
Partnership connects the world.
Wishing all our customers, partners and friends a wonderful Qixi Festival!

[Catherine @lujianchun]

The World's New Generation Open-Ear Earbuds with Replaceable Battery | P... https://t.co/bfn1eyjVhu 来自 @YouTube

[Catherine @lujianchun]

Not all silicone cables are the same.

This premium 4-in-1 charging cable combines:
🧵 Braided core inside
💎 Liquid silicone protection
📟 Smart digital display
⚡ Fast charging performance
Designed for quality-focused brands & distributors.
#ChargingCable #OEM #ODM

[Catherine @lujianchun]

Simplify charging with one smart solution. 🔋
4-in-1 Charging & Data Cable:
• 1.8M liquid silicone cable
• Reinforced braided core
• Multi-device compatibility
• Charging + data transfer
Helping brands source reliable mobile accessories from China.

[Catherine @lujianchun]

A good sourcing partner is more than a supplier.

It means reliable communication, quality support and flexible solutions from product selection to shipment.

TWS earbuds & smart wearable solutions from China.

#ConsumerElectronics #TWS #ODM #smartglasses

[Catherine @lujianchun]

New week, new shipments 📦

15 years in the market, stable quality, and trusted by customers worldwide.

Every order is a commitment to reliability, service, and long-term partnership.

#DigitalSignage #MediaPlayer #B2B #MadeInChina

[Catherine @lujianchun]

A peaceful moment by the sea. 🌊
Having seen the vast ocean, small waves no longer feel overwhelming.
Every new journey comes with challenges, but also new possibilities. Keep moving forward. ✨
Wishing everyone a relaxing weekend. Happy weekend! 😊

[Catherine @lujianchun]

A reliable supply chain is the foundation of every successful product. 🤝

With years of experience in consumer electronics sourcing, we work with trusted manufacturing partners in China to support global brands from product selection to shipment.

[Catherine @lujianchun]

16 years in consumer electronics sourcing has taught me: a reliable supplier is built on trust, quality and communication.

Helping global brands source TWS earbuds, Bluetooth audio and smart wearable products from China.

#TWS #ChinaSourcing #OEM