• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Brand Name: Rambotech
  • Model Number: RU9
  • Style: In-Ear, bluetooth headset connect 2 cellphone
  • Communication: Wireless
  • Connectors: USB
  • Use: Mobile Phone
  • Function: Bluetooth, Microphone, Noise Cancelling, Waterproof
  • Place of Origin: Guangdong, China (Mainland)
  • Color: Black, Blue, Brown, Gray, Green, Multi, Red, Yellow
  • Bluetooth Version: V4.1+EDR
  • Chipset: CSR 8635
  • Waterproof standard: IPX7
  • Battery: Built-in Rechargeable 80mA Li-Polymer
  • Life time: 6-8 hours
  • Charging time: 1.5 Hours
  • Microphone: Build-in
  • USA retail price: 49.99-59.99 USD
  • Certificate: CE,BQB

Packaging & Delivery

Packaging Details Color box, customize packaging is welcome. 100 pcs per carton, carton size: 51*43*39cm, 18KGS per carton
Delivery Time Shipped in 3 days after payment
Product Description
Amazon new wireless sport bluetooth headset, smart mini 4.1 bluetooth headphone connect 2 cellphone RU9


* Bluetooth V4.1+EDR, CSR 8635 chipset
* Bluetooth profiles supported: HFP, HSP, A2DP, AVRCP
* Operation range: up to 10 meters
* Woking time: about 6-8 hours
* Standby time: 240 hours
* Charging time: about 1.5 hours
* Battery capacity: 85mAh
* Product size: 40*24*32mm
* CVC 6.0 Noise Cancellation technology
* Voice prompt
* Multi-point function, can connect 2 mobile phones at the same time.

Other informations: 

1. OEM order MOQ: 500-1000 pcs 

2. Color: Customize

3. Delivery time: 25 days usually

4. Certificate: CE, BQB 

5. Warranty time: 13 months

With years of export experience along 
With years of export experience along 
With years of export experience along 
With years of export experience along 
Related Products


Our many customers can sell 2000-6000 pcs on Amazon at 39.99-59.99 USD per month


This is one high quality cheap bluetooth headset, very low price with wonderful sound quality. 


First one CSR 8670 bluetooth headphone with APTX-LL, memory foam material for earmuff. Super bass sound and high quality details.  Retail 79.99-89.99 USD in USA.


IPX4 waterproof 2 battery special design sport bluetooth earbuds. 

Our Company

Rambotech established at 2005 and we are one of the earlier bluetooth products supplier. Until now, we have one professional OEM team, sales team, development team. More than 2000 partners selling our goods in all over the world. Our many products are hot-selling in US, UK, French, Sweden, South africa, Japan, India, Chile, Brazil and some other markets. Rambotech supply satisfied OEM survice, excellent quality and reassuring after-sales survice.

Welcome to cooperate with Rambotech. 

Packing & Delivery


For OEM, You can do any packaging you like and we are good at design.  Below few models for your reference, most sellers doing Window packaging and Kraft box. 

Standard packaging 

This one need 0.56 USD

Window packaging

This kind packaging price need 0.68 USD

Kraft box with EVA box

This kind packaging cost more than 1 USD


1. Usually, we can delivery goods in 25 days after all details get confirmed.

2. For all products, we will test 3 times before shipment. 3. We can help you shipping to Amazon directly. 

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
12 Transactions 10,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $82,000
Learn More