Hot sell bluetooth headphones v4.1 wireless sport stereo noise cancelling earphone with Mic for mobile phone RM1

FOB Reference Price:Get Latest Price
US $1-15 / Pair | 1 Pair/Pairs bluetooth headphones v4.1 wireless sport stereo (Min. Order)
Supply Ability:
700000 Piece/Pieces per Month bluetooth headphones v4.1 wireless sport stereo
Shenzhen, bluetooth headphones v4.1 wireless sport stereo
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Quick Details
Brand Name:
Model Number:
In-Ear, bluetooth headphones v4.1 wireless sport stereo
Mobile Phone
Bluetooth, Microphone, Noise Cancelling, Waterproof
Place of Origin:
Guangdong, China (Mainland)
Black, Gray, Multi, Silver
Bluetooth chipset:
V4.0+EDR, CSR 8635 chip-set
Music time:
About 5.5 hours
Charging time:
2 Hours
Standby time:
up to 240 hour
Bluetooth Profiles:
Working distance:
10 meters
Built-in 70 mAh Battery
Microphone sensitivity:
-42 +/- 3dB
12 months
Packaging & Delivery
Packaging Details
1. standard PVC box or gift box
2. custom packaging welcome
bluetooth headphones v4.1 wireless sport stereo
Delivery Time
Shipped in 25 days after payment


Rambotech high quality wholesale stereo headphone bluetooth, wireless stereo  headset, gaming wireless stereo  headset RM1


bluetooth headphones v4.1 wireless sport stereo

Product Description


Bluetooth version & chip
V4.0+EDR, CSR 8635 chip-set
Bluetooth profiles
Working range
class 2, 10 meters, <3dBm
3.7V/70mAh Built-in lithium battery
Working Time
about 5.5 hours
Charging time
about 2 hours
Standby time
about 12 days
Microphone sensitivity
Φ11mm 0.3mW

Technical parameters:

bluetooth headphones v4.1 wireless sport stereo


* Impedance: 32Ω±15% / 32ohm±15%
* Mylar: PET
* Mean sound pressure level: 102±3db
* Rated output power: 0.25mW
* Max output power: 0.3mW
* Level difference of L-R: 3dB/1KHz
* Frequency Range: 20~2,0000Hz
* Microphone sensitivity: -42±3dB
* Storage temperature: -25~60℃
* Operation ampient temperature: -10~60℃
* Storage humidity: 95% or less when in is 40℃

bluetooth headphones v4.1 wireless sport stereo

1. A stylish sports Bluetooth headset, be used to listen music and make calls
2. Sporting style appearance, elegant texture, and easy to take. Firm and durable design. It has been done 1.5 meter falling test.
3.Comfortable to wear, to prevent slide down. Sweat-proof function.
4.It adopted the International high-tech of CSR 8635 dual channel stereo Bluetooth chip-set.
5.Good compatibility and stable to use. It built-in high sensitive microphone to make calls more clearly.
6.It has humanized voice prompt function, support We-chat, YY software and so on.
7.IOS battery capacity display
8.Compatible with all Bluetooth devices, can connect with 2 mobile phones at the same time.

Detailed Images


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bluetooth headphones v4.1 wireless sport stereo

Company Information

Rambotech is a most professional and responsibility company in China. We focus on Bluetooth Products up to 10 years.

Our product cover:

Bluetooth Adapte
Bluetooth Speaker
BT Stereo Headset
BT Mono Headset
Bluetooth Car Kit
BT Low Energy V4.0
BT Watch&Bracelet
Bluetooth Gadgets


Packaging & Shipping

Packaging and shipping 

bluetooth headphones v4.1 wireless sport stereo

Packing in Color Box , EVA  Box or Customized packaging are optional.



we have several models for your reference below. You can do any packaging you like and we are good at design. Most sellers doing Window packaging and Kraft box. 


Standard packaging(0.56 USD)       Window packaging( 0.68 USD)      Kraft box with EVA box(≥1USD)


1. OEM order MOQ: 500-1000 pcs

2. Quantity each carton:100pcs,carton size:51*43*39cm,18KGS per carton

3. Color: Customize

4. Delivery time: 25 days usually

5. Certificate: CE, RoSH

6. Warranty time: 13 months

7. All products will be tested 3 times before shipment.

8. We're pleased to help to ship to your Amazon warehouse directly. 



Our Services

Warranty: 1 year, it exactly depends on definite species and price.

OEM order is warmly welcomed in Rambotech and we have lots of successful experiences in doing OEM projects.

In addition, we  have design team who can give you the most professional suggestions on logo,package, silk printing, etc.


Q1: Will you spam my mail-box after joining your news-letter plan?

A: We promise you that we never spam. Joining our new-letter plan, you can get the latest information about bluetooth field, consumer electronics, etc; aslo, you can get out newest products in advance.

Q2: What's your warranty policy?

A: Our warranty period is 12 months. Usually, our RMA rate is below 0.2% since we have strict quality control system.

Q3: How can i become your exclusive dealer?

A: Well, we's say it depends on different regions, for more detailds please consult our sales representatives.

Q4: Do you accept OEM projects?

A:  OEM order is warmly welcomed in Rambotech and we have full experiences in doing OEM projects.

Q5: What kind of payment do you accept?

A: Paypal, TT and western union is most welcome.


Contact info
Dear Friend,
Hope your business is prosperous!
This is Amy Huang from Rambotech. It would be my pleasure to understand your needs and serve you with our product.
Please do not hesitate to contact me.

Thanks & Best wishes
Amy  Huang