Min. Order : 2 Pieces
10-99 Pieces
100-999 Pieces
≥1000 Pieces

2019 Speaker Hot Selling Weekly Deal Mini Music Round Metal Case Super Wireless Speaker Box with USB SD Card Slot

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Quick Details

UART Data Transmission Rate: 115200bps
Place of Origin: Guangdong China
Use: Portable Audio Player
Data Transmission: Up to 3Mbps
wireless Version: BK3.0
Range: 10meters
MIC Sensitivity: -32db
Model Number: SP-BM3D
Receive Sensitivity: Better than +82dBm
Channels: 3 (2.1)
Brand Name: OEM
Type: Active
Battery: 1100MAH
MAX Power output: 3W
Frenquency: 2.402-2.480GHz
Antenna: Built in
Special Feature: MINI,PORTABLE,Wireless
Packaging Detail: carton box
Selling Units: Single item
Single package size: 12X12X6 cm
Single gross weight: 0.22 KG
Shenzhen Haodaxin Technology Co., Ltd.
Gold Supplier
Response Time
On-time delivery rate
US$ 20,000+
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Product Description

Product Spercification


  • super mini Bluetooth wireless stereo bass speaker
  • built-in microphone for hands free call
  • 400mAh battery for up to 3 hours music play time
  • small body for convenient to carry anywhere
  • metal housing material, excellent hands feeling.


Loudspeaker output4W 
Play time2~3 hours.
Working voltageDC 3.7V-4.2V 
Charging time2 hours
Blutooth VersionV3.0
Dimension50mm x 31mm 
Net weight70g 
ColorBlack, White , Silver, Gold, Rose Gold 
Package include:1 * BM3D Bluetooth Speaker
1 * USB Charging Cable
1 * User Manual

Product Details


New Arrived

Company Information


Shenzhen Haodaxin Technology Co., Ltd. is an actual manufacturer with more than 10 years of experience in making electronic products. We are located in Shenzhen city, Guangdong province, China.
We major in all wireless products, wireless charger, wireless speaker, wireless earphone, wireless power bank… As technology is the leader of our life.  “Enjoy your life with our products.”is our faith.  

We exported our products to the whole world from west to east. 
It's a very right decision for you to choose us. We can grow up and create a more prosperous future soon! 

Welcome you to visit our factory's website to get further information about us and welcome you to visit our factory when you are convenient. 



Customized Logo Options

1.Laser Engraving:

  • Works with metal surfaces only Produces sharp, polished results
  • Most durable(long-lasting) option
  • Different metals yield different results when engraved
  • Colorized laser options also available on some metal-surfaced models

2.Solid Color Printing :

  • Works with most products
  • Print one or more solid colors (includes white, gray, and black)
  • Our most popular option

3.Process Color Printing

  • Works with most products Required for graphics with gradients, color blending,& many colors Looks best on light and neutral-colored products(white, silver, etc.)

Warrantee & After-sale service: 

1. All of our products give 1 year warranty

2. Man-made destroy will be exception

3. After the warrantee time, if we still in cooperation, we will give cost repairment if still can repair.

4. For reducing the cost of our customers, we can supply the materials or tech support to them; help them fix the problems in their hands

5. We will pay the delivery charge from us to customers if the repair, return or replacement cases happen

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