Up to 10 meters
Up to 4-5 hours
Up to 4-5 hours
Up to 200 hours
1 hour (Charging voltage 5V)
95±3dB at 1KHz
YOUR NO.1 HEADPHONE MANUFACTURER
Since we’re a single product-focused company, we remain one of the best when it comes to earphone manufacturing.
ISO9001, BSCI, CE, RoHS, REACH, FCC certifications etc.. All components adopt the qualified materials. 100% quality check and durable testing for every product before shipment.
2. COMPETITIVE PRICE
Large scale earphones production and well trained workers reduce cost greatly. Coolbo supplies the Bottom Price to make you become the most competitive earphones seller in your region.
150 workers in our 6000 square meters earphones factory produce 1,200,000pcs earphones every year. We can have your urgent wired earphone orders ready in just 2 weeks.
Since we focus on earphones manufacturing for 10+ years, from Wired Earphones, Bluetooth Earphones to True Wireless Earphones etc.. We have 40+ appearance patents and patents for utility models. OEM or ODM supported.
5. BRAND E
Coolbo is at the top of the global earphones manufacturing sector. In fact, we’re one of the top three earphones manufacturers in China. We pride ourselves on our first-class quality and unprecedented warranty and maintenance.
6. CUSTOMER SERVICE
Top sales with professional skills make you never feel difficult to communicate with a earphone factory. All Coolbo staff will stand by you, reply your inquiry and solve your problem, no matter pre-sales or after-sales.
EARPHONES FACTORY VIDEOS
Highly welcome to visit our facotry
VOICE OF CUSTOMERS
We have supplied customers high quality earphones and headphones with efficient, reliable, professional and thoughtful service.
Below some of our customers' comments for your reference
My name is Joe from USA company. My company mainly operates on headphones. Coolbo with good quality, fine workmanship and timely reply, and important, cooperate with the Coolbo without trouble, the sales person always can understand my emails meaning. This feeling makes me good, and comfortable. Thanks.
Joe Brown. USA
I purchased earphones from Coolbo so many times, it is very fast shipping, good and accurate product, got them fast and as usual very good condition, all work great, all is great. Obviously this is a five star of quality suppliers, we will certainly buy again Coolbo products, and I wish you the business is thriving!
David Nelson. USA
We are Italy professional headphones manufacturer, the company has twenty years of operating history, is very happy to find COOLBO company. They give us a very good reputation in our place. And let our customers to enjoy the cheap price with very high quality.
Carlo De Cillis. Italy
Through three years of cooperation, we know COOLBO have more deep understanding, the production process conducted a series of quality control. They have good logistics solutions, let us in front of customers won more honor.
Ad Kroot. Netherland
A great seller, I have to say thanks. I am really appreciated your help for my urgently samples, Item as described, fast shipping! Once again, very satisfied with order. A pleasure to do business with Coolbo!