Project Description

[2018 New Arrival]  D4C Model / Dual Dynamic Drivers earphone

  • Low sound loss,Compatibility control

  • Dual dynamic drivers earphone

  • Double resolution,three sizes of tips for your choice

  • Hotselling item of online and offline

  • Resistance to pull classic fashion appearance

Stock50 piece
OEM500 piece/colour
Brand Name: langsdom, langsdom
Model Number: D4
Style: In-Ear
Communication: Wired
Connectors: 3.5m
Use: Mobile Phone
Function: Microphone, Noise Cancelling, For Mobile Phone,Sport,for Video Game
Place of Origin: Guangdong, China (Mainland)
Vocalism Principle: Dynamic
Line Length: 1.2m
Frequency Response Range: 20-20000KHz
Sensitivity: 96.7±3dB
Color: Black,White,rose gold
Cable Feather: Wound Built-in

Langston Group, which owns HongKong Langston Group Limited, Langston (Dongguan) Ltd, Langston (Guangzhou) Electronic Technology Co., Ltd., Dongguan Langston Electronics Co., Ltd.,Dongguan Peisheng Investment Co., Ltd.and other subsidiaries.  Langston Group now has Langsdom and iMi two brands for mobile earphone, has more than 1000 brand agents over the world,and tens of flagship stores in main cities in China, the overall strength of the enterprise ranked among the highest in the industry.

 What’s the standard MOQ?
Wholesale: 200pcs; OEM: 1,000pcs.

Can I get Free sample?
We offer stock sample for free; Cost range at $30 – $200 for out-of-stock sample or to be with custom logo. Freight cost collected.

What should I provide for OEM projects?

We need artwork at AI, EPS, PDF etc to create e-proof base on your artwork within 1-2 days.

What’s the QC process?
We have at least 3 inspections for each order – logo printing, mid-inspection, final inspection.

What’s the trade term?
EXW, FOB China port, CIF, DDU, DDP.

Can I get some back up piece?
We offer a few piece back-ups for OEM order with freight cost collected; No free back-up is available for wholesale orders.

Why choose us:

  1. We promise to reply with details within 24 hours
  2. Reasonable pricing for each of wholesale, OEM, ODM project
  3. Three inspections for each order; AQL standard
  4. Perfect match production schedule for each order
  5. Considerate before sale & after sale service.


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