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Quick Details

  • Brand Name: Rambotech
  • Model Number: RS7720
  • Type: Passive
  • Use: Computer, Home Theatre, Mobile Phone
  • Special Feature: Mini, Portable, Wireless
  • Place of Origin: Guangdong, China (Mainland)
  • Bluetooth version: V4.0+EDR
  • Bluetooth chipset: CSR 8635
  • Bluetooth profiles: HSP, HFP, A2DP, AVRCP
  • Item: Waterproof Bluetooth Speakers
  • Battery capacity: 7000mAH
  • Music time: 18-25 hours
  • Standby time: about 200 hours
  • Charging time: about 10 hours
  • Output power: 6 W
  • Color: Black, Green, Orange, White rice

Packaging & Delivery

Packaging Details Color box/gift box packaging for Waterproof Bluetooth Speakers
Delivery Time 30-50 days for Waterproof Bluetooth Speakers

Wireless Super Bass Sound Music Waterproof Bluetooth Speakers, Portable Speaker - Maggie

Product Description

Color: Black, Green, Oreign, White rice

DescriptionOutdoor Bluetooth Speakers with power bank RS7720.
Device Compatibility: Universal
Key Features:

  • High quality professional high power double horn, professional wide range horn
  • High efficiency mobile power supply function
  • The bluetooth wireless connection, mobile phone hands-free calls (a key easily implement wireless hands-free calls)
  • AUX audio input function, can be connected audio equipment such as mobile phone, computer, MP4, PSP, used as an external speaker)
  •  The built-in lithium ion rechargeable battery, large capacity features support the pilot time to play
  •  “a line” function (charging an interface can be realized and the foreign charge)
  •   Waterproof Bluetooth Speakers : waterproof, splash, prevent fall prevention outdoors with the function of mobile   power supply bluetooth speakers
  • Portable Speaker


  • Bluetooth specification: CSR V2.1/ CSR V4.0 / RDA V2.1
  • Bluetooth profiles: HSP, HFP, A2DP and AVRCP 
  • Operating distance: 10 meters Class II 
  • Mobile power supply: IN-5.0V 1.0A ; OUT-5.0V 1.0A 
  • battery:7000mAh 3.7v  lithium battery 
  • Music playing time: About 18-25 hours 
  • Standby time: About 200 hours 
  • Charging time: About 10 hours 
Product Pictures

Packing Info


Packaging & Shipping




Company Information

Rambotech is a team full of energy and the average age is 26.

Rambotech offers the most fashionable, premium products and the newest market news for customers.

Also help customers to extend business. Rambo’s mission is to help customers success through products and service.

Rambotech is a brand owned by Rambo Industrial Limited.

Specialize in designing and developing innovative bluetooth wireless products, extend products to mobile phone accessories and computer peripherals.



Our service

1. Warranty: 1 year, it exactly depends on definite specs & price.

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

OEM projects. What’s more, we have design team who can give you the professional suggestions on 

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; also, you can first get our newest products.

Q2. What’s your warranty Policy?

A: Usually, our RMA rate is below0.2% since we have strict quality control system. Our warranty period is 12 months.

Q3. How can I become your exclusive dealer?

A: Well, we’d say it depends on different regions, for more details, please consult our sales representatives

Q4. Do you accept OEM project?

A: OEM order is warmly welcomed in Rambotech and we have lots of successful experiences in doing OEM projects. What’s more, we have designteam who can give you the professional suggestions on package, silk printing, etc.

Q5. What kind of payment do you accepted?

A: Payment welcome T/T, West Union and Paypal.

Q6. Where can I download the latest catalogs?

A: You could download our latest catalogs on our website www.rambotech.com Navigation of “Download”.


Any questions please contact me!





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 .

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Transaction Value
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Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
5 Transactions 20,000+
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 $77,000
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