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2021 TWS Mini Audifonos True Wireless B40 Headphones Sport Headset BT 5.1 Wireless Earbuds

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Quick Details

Wireless Type: bluetooth
SIngle earbud mah / charging case mah: 40mah /400mah
Stand-by time: about 200 hours
Active Noise-Cancellation: No
Function: bluetooth,Waterproof,Noise Cancelling,Microphone
Waterproof Standard: IPX-5
Is wireless: Yes
Music time: 4 hours
Style: In-ear; TWS
Vocalism Principle: Dynamic
Frequency response: 2.402G Hz-2.48GHz
Talking time: 3.5 hours
Bluetooth Standard: BT v5.1
Communication: Wireless
Speaker: 20-20khz
Codecs: None
Place of Origin: Guangdong China
Charging time: 1.5 Hours
Transmission range: 10m
Use: Portable Media Player,Mobile Phone,COMPUTER,Gaming,Sports,Audiophile,Travel,PROFESSIONAL,HiFi Headphone
Control Button: Yes
Model Number: B40
Support Memory Card: No
Certification: CE/ROHS/FCC
Brand Name: Mezone, OEM
Cord Length: wireless
Volume Control: No
Bluetooth Version: V5.1+EDR
Packaging Detail: Gift box/Retail box
Selling Units: Single item
Single package size: 11X11X3.5 cm
Single gross weight: 0.15 KG
Shenzhen Hongnanke Communication Equipment Co., Ltd.
Gold Supplier
Response Time
On-time delivery rate
US$ 30,000+
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Product Description
2021 TWS Mini Audifonos True Wireless B40 Headphones Sport Headset Bluetooths 5.1 Wireless Earbuds
1. Model
2. Bluetooth Version
3. Transmission Distance
4.  Talking Time
3-4 hrs
5. Music Time
4-5 hrs
6. Charging Time
7. Color
Black, White
8. Earbuds Battery
9. Case Battery Capacity

10. Features
a. Mini Size and Light to Save on Pocket
b. Touch Control for earbuds
c. Hifi Sound Quality
d. Comfortable Wear 
e. Clear Call Sound Quality
Details Images
2021 TWS Mini Audifonos True Wireless B40 Headphones Sport Headset Bluetooths 5.1 Wireless Earbuds
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Company Introduction
1. How to proceed an order?
- First, pls send us an inquiry to let us know your requirements(important);
- Second, we will send you complete quote including shipping cost;
- Third, confirm order and send payment/deposit;
- Four, we will arrange production or deliver goods after receiving bank receipt.

2. What is your Payment Terms?
We accept below payment terms:
- Alibaba Trade Assurance, including Visa Credit Card, Master Card, TT Bank Transfer,
e-checking and Pay-later;
- TT.
- PayPal.
- Western Union.

3. What Certificates do you have?
- TWS Earbuds are CE/RoHS and BQB certified.
- We also can help clients to apply spcial certificates for different markets, such as FCC, PSE, KC, RCM, BIS, etc.

4. What is your Warranty and Return Policy?
- Normally, we offer 24 months warranty, counting from the day of receiving goods.
- We offer free repair and replace service for any defect items during warranty causing by quality reasons.

5. Do you offer any discount for new client?
- We often provide many discounts for different items.
- Please keep an eye on our homepage to get the latest discount.
Why Choose Us
1. Real stocks:
For models without MOQ limited(means MOQ=1pcs), we often keep 100 to 500 pcs in stocks.
We can send out the samples in the same day of making payments or the next day after receiving payments.
The tracking number could be provide within 72 hours in average.

2. Small MOQ for OEM CUSTOM service:
We provide professional OEM service, such as LOGO print, custom package, customize user manual, etc.
To help each client to start their business from small, and grow up with building their and your brand step by step.

3. Five Stars after-sale service:
We don't only concentrate on selling goods, but also pay great attention on aftersale, including satisfaction survey, product
using guide, technology support, return/repair defective items, etc.
Your FIVE STAR comments are our highest goal.
+86 13751093600
factory address
No. 16 , Dadi Industrial Area , Xiakeng Tongle , Longgang District , Shenzhen , China