Quick Details
Product Code:
Place of Origin:
Supply Ability:
100000 piece per week
Quick Details
Shipping fee
Shipping fee
Inquiry Basket
Contact Supplier

Hifi Stereo Sound COUMI EQ app - Personalized Sound IPX7 Waterproof & Touch Control Multiple Using Modes Secure & Snag Fit Max 30-Hour Playtime


Product Information

Certification: SIG(BluetoothSIG), CE / ROHS / FCC
Wireless Type: bluetooth
Vocalism Principle: Electrostatic
Control Button: Yes
Style: Earbuds
Use: Mobile Phone, Gaming, Sports, PROFESSIONAL, For iPod
Bluetooth Standard: Bluetooth v5.0
Earphone sound track: True stereo
Is wireless: Yes
Volume Control: Yes
Communication: Wireless
Function: bluetooth, Noise Cancelling, Microphone, Bluetooth, Waterproof
Cord Length: wireless



  • 【NEWEST BLUETOOTH 5.0 & Fast Pair】COUMI Bluetooth true wireless earbuds are equipped with the most advanced Bluetooth 5.0 chip and TWS earphone chip,providing the most stable signal connection and extremely fast paring. One finger touch control to activate the SIRI, play/pause music, receive/end calls.The newest wireless earbuds Bluetooth 5.0 with microphone for iphone and android cell phones.
  • 【STEREO AUDIO & CUSTOM EQ TECHNOLOGY】COUMI  in-ear earphones feature an upgraded microphone with stereo Sound for calls.Hear crystal clear conversations in either ear.Take the test to create a custom set of EQ settings that are optimized for your ears. HearID maps your hearing sensitivity at multiple frequencies and intelligently analyzes the results to give you a truly personalized listening experience.
  • 【4 Enhanced Microphones with CVC Noise Reduction】Per Bluetooth earphones use two microphones to block out distractive noises, and another two microphones that are located closer to your mouths to better pick up your voice. The combination of built-in mics is designed primarily for crystal clear call, so people can hear your voice more easily and clearly through the true wireless earbuds despite the busy traffic and wind.
  • 【COMFORTABLE-FIT&WATERPROOF IPX7】Enjoy all day stereo music with the ergonomically comfort and stable Bluetooth 5.0 earbuds.Providing pressure-free fit with ambient sound. The sealed shell interior Nano coating protection can easily repel sweat, raindrop and shower water, making them the waterproof earbuds best workout headphones, running earbuds, shower earbuds, blue tooth ear buds for calls and more in every aspect of your life.
  • 【30 HOURS PLAYTIME WIRELESS CHARGING CASE】You can enjoy the music for around 5 hours of straight playback with COUMI 817A Bluetooth earbuds, and playtime extends for up to 30 hours with the case. Simply use any Qi-enabled charging pad(NOT INCLUDED) to charge the wireless charging case and say goodbye to messy wires.You can also charge with the usb-c cable and 10 minutes charging will provide 1 hour playtime. the Case can get power from almost any power banks, laptop, and USB charger.
  • 【Chinese Custom Bluetooth Earphone OEM】KUMI China wireless bluetooth headset factory special sale, for large quantities of orders, support custom logo, wireless bluetooth headset shell color, and transportation packaging, truly customized personalized mobile phone wireless bluetooth headset. Cheap, high-quality Bluetooth headsets become the best companion for leisure, office work and meetings.


Dongguan Koppo Electronics Co., Ltd. is a professional headset audio manufacturer base in Dongguan, China.  With over 20,000 square meters of industrial space and over 1100 onsite staffs, Koppo has been recognized as one of the up and coming headset audio manufacturers in the industry.
COUMI is a brand of KOPPO focusing on high-end Bluetooth headphone. Its product series include AI voice-controlled earphones, TWS earphones, ANC earphones, hearing safety earphone, smart voice EQ earphone, Hi-Res earphones with in-ear, on-ear on-ear,ear hook,over neck types.
Founded by Mr. Ben Wei in 2010, Koppo has established with a vision of becoming a World Class Manufacturer with the expertise of Wireless related technology headset audio products.  Mr. Wei and the executive management team at Koppo have achieved many breakthrough technologies in headset audio products.  With over 100 patents in designs, utilities and inventions, Team Koppo is able to provide flexible ODM / OEM solutions to world renown customers globally.  As an ISO 9001:2008 accredited manufacturer, Koppo holds itself to the highest management standard in production and quality management.  Because of such belief, Koppo has been awarded with many opportunites from many prestige customers throughout the world.
Even though Koppo is considered as a young manufacturer in the industry, Koppo has been growing on steady pace over the years.  As we are heading into 2020, Koppo has already established as an impactful presence in the technology of True Wireless Stereo (TWS) headsets in the industry.  With a strong team of passionate working professionals at Koppo, we are ready to become a premier World Class Manufacturer in innovative headset audio products!




(1)Serve customers & create value for customers.

(2)Program 1: Let us get rich and live a happy life.

(3)Program 2: Provide customers with high-quality products at the fastest speed to meet customer.


(1) Development is a kind of progressive energy and a source of power.

(2)Development is the common aspiration of all employees of the company, and is committed to achieving the ideal.

(3) Development is a necessary condition for the survival of an enterprise, and is where the spirit of unwillingness to lag behind lies.


(1)Honesty is the foundation of being a man and the foundation of a career.

(2) Honesty is the way, wisdom, and the seed of wealth.

(3)Honesty is the most beautiful coat of a person, and it is the most holy flower of the soul.

(4) Honesty is the foundation of trust, and winning the trust of others is your best capital.

(5) Honesty is honesty to family, honesty to friends, trust in the company.





Our Services
Senior professional engineers response for each inquiry timely and accurately.

1. One year Manufacturer Warranty for defective items (except items damaged by wrongly operated after receipt).
2.Defective items must be reported and returned to us within warranty period (the original package is necessary, if possible).
3.Detailed description and demonstration for each defect item is necessary.
4.We don’t repair or replace items expired warranty period. Or buyers will bear the related costs accordingly.


Shipping & Packing
1.DHL,UPSFedExand TNT etc. door to door service.
2. By sea or by air for LCL and FCL.
3. Shipping as appointed forwarder or negotiable shipping methods.
4. Standard export cartons for cargoes.

Shipping & Packing.png


Q: how can we guarantee quality?
A:Always a pre-production sample before mass production;
   Always final Inspection before shipment;
Q:When you will ship the product after I finish payment?
A: Usually 3-5days for sample order, 
    10-15 days for bulk order. 
Q:Is the sample available?
Q: How does your factory do regarding quality control?
A: Quality is priority. QC department with professional quality assurance specialist attach great importance to quality.
Q: Please let us know if your product does not arrive in your delivery time frame?
A: This situation never happened in our company till now, because we have professional managerial personnel to overview and control for every parts of production, and we usually have training to every staff.
Q: what services can we provide?
A:Accepted Delivery Terms: FOB,CIF,EXW,FCA,Express Delivery;
   Accepted Payment Currency:USD,EUR,HKD,CNY;
   Accepted Payment Type: T/T,PayPal,VISA,MasterCard;
   Language Spoken:English,Chinese.


Question & Answer