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Item specifics
  • Model Number: CX04H-L
  • Plug Type: Wireless
  • Function: Waterproof,Noise Cancelling,Microphone,Bluetooth
  • Support APP: No
  • Time to market: 2016
  • Line Length: None
  • Frequency Response Range: 20-20000Hz
  • Communication: Wireless
  • Brand Name: COULAX
  • Support Apt-x: No
  • Support Memory Card: No
  • Waterproof: Yes
  • Sensitivity: 100DB
  • Style: Neckband
  • Vocalism Principle: Dynamic
  • Is wireless: Yes
  • Connectors: USB
  • With Microphone: Yes
  • Resistance: 32Ω
  • Wireless Type: Bluetooth
  • Color: Black
  • Play/Talk time: up 10 hours
  • Operating Range: up to 10 meters
  • Compatible with: All Bluetooth smartphones (for iPhone, Android)
  • Bluetooth Version: V4.1
Product Description








Model: COULAX CX04


Bluetooth Version: bluetooth V4.1
Noise Reduction: CVC6.0 with Microphone
Battery: 160mAh
Charging Time: about 2 hours
Play/Talk Time: up to 10 hours
Standby time: up to 450 hours
Operating Range: up to 33 feet(10 meters)
Certificate: CE, ROHS, FCC
Bluetooth Mode: Handfree/A2DP/AVRCP
Compatible with: All bluetooth devices(such as iPhones,iPad,Android phones)



Accessories List:


1 x COULAX CX04 Model
1 x USB Charging Cable
4 x Ear Tips
1 x User Manual























pkg 2


pkg 3








We accept ESCROW,T/T and Western Union, Paypal.

Payment via ESCROW is highly recommended. Because payment via other ways may have a certain delay which will affect the shipping time of the item.

Buyer should be responsible for the tax that may be turns out. If you don\'t sign for goods due to Customs Tax, we will only refund part of your payment.



If your products have any problems(not man-made damages) after you receive it within 7 days, we would like to provide a replacement for free. So hope you can think it twice before you leave us a negative feedback. But please provide evidence to us, including order number, photos or videos and email us. So we can check it for your quickly. We will try our best to make you satisfied.

You have 7 days to contact us and 30 days to return it from the date you received the goods. If this item is in your possession more than 7 days, it is considered to be used and we will not issue you a refund or replacement. There is no exception, shipping cost is bear by both seller and buyer in half.

All returned items must be in the original packing and buyers must provide us with the shipping tracking number and specific reason of the return or refund.



We mainly ship goods through Registered China Post Air Mail. Other international express such as Singapore Post/Hong Kong Post/EMS/DHL/UPS/FedEx and so on, accepted on condition that buyers pay for the additional freight due to they are more expensive.


Delivery time

We will ship orders out in 24hours after system verifying your payment. If shipping via China Post Air Mail, the delivery time is around 10~30 days for most countries. But to some far countries, it would take longer time to arrive. We will always upload valid tracking numbers for all orders after shipped out. Buyers can track updated status within several days. Hope buyers could understand our situation.

If shipping via EMS or DHL or other express, it usually takes about 5~8 days to arrive.



24 months Manufacture\'s limited warranty for defective items(excluding items damaged and/or misused after receipt). Accessories come with 3 months warranty.

Defective items must be reported and returned within the warranty period(and in the original packaging). You must tell us what the defect is and give us your order number. We don\'t repair or replace items with and expired warranty. You agree to all the above listed policies upon ordering on AliExpress.


Packaging Details
  • Unit Type: piece
  • Package Weight: 0.2kg (0.44lb.)
  • Package Size: 15cm x 5cm x 15cm (5.91in x 1.97in x 5.91in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.2kg (0.44lb.)
  • Package Size: 15cm x 5cm x 15cm (5.91in x 1.97in x 5.91in)
We support the following payment methods. All payments made on AliExpress are processed by Alipay.