Mass Production Wireless Rechargeable Battery Double 4inch Portable Bluetooth Speaker with Wired Microphone for Karaoke Video,Demo, How It Works & Features

Name: Mass Production Wireless Rechargeable Battery Double 4inch Portable Bluetooth Speaker with Wired Microphone for Karaoke
Uploaded: 2026-06-26T17:38:12+08:00
Description: Watch the Mass Production Wireless Rechargeable Battery Double 4inch Portable Bluetooth Speaker with Wired Microphone for Karaoke video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.

2026-06-08 3700

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Product Specifications

Model NO.:

U311

Type:

Outdoor Speakers

Amplification Type:

Active

Speaker Material:

Plastic

Usage:

Portable Player, Mobile Phone, Computer, Stage/DJ, Home Theatre System, Radio, TV, Karaoke

Sound Channel:

2.0

Special Function:

Memory Card Support, USB Disk Support, With Remote Control, Radio

Chargeable:

Chargeable

SNR:

81-90dB

Display Type:

Digital Display

Compatible Product:

Universal

Speaker Unit:

2 * 4inch

Output Power:

2 *5W

Frequency Response Range:

70Hz-20kHz

Impedance:

2(Ω)

Input Power:

DC 5V

Battery Capacity:

1200mAh

Bluetooth Transmission Distance:

10m

Charging Time:

Support Microphone:

Yes

Logo:

Neutral (Support OEM/ODM)

Volume Control:

Knob

Function:

USB,TF,FM,Bt,Aux,Mic in,Color Light,Tws

MOQ:

60 PCS

Delivery Time:

1-3 Working Days

Shipping Way:

DHL, UPS, FedEx, EMS, by Sea

Trademark:

OKAI

Transport Package:

Color Box Package

Specification:

170*170*400MM

Origin:

Guangzhou, Guangdong China

HS Code:

8518210000

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