QFX BT-300 User Manual

QFX BT-300
Instructions
First of all thank you for using our products, in order to
better use the product, please read this manual
Function
：
1．Built in independent dual channel high fidelity speaker, output power 3W*2
2．Built-in high-power color LED, can change a variety of color lights。
3．High-power LED lights can be turned on and off through the button, four kinds
of the LED flash mode。
4．Support U disk, LINEIN, TF, FM function。
5．support Bluetooth wireless transmission function, convenient mobile phone, MID
and other devices Bluetooth connection (optional)。
6．Support for the ISDN, through the MIC USB port and computer connection。
Product interface and function
：
Sequence: USB Port, TF Port, AUX Port, Charging Port

QFX BT-300 Specifications

General

Brand	QFX
Model	BT-300
Type	Portable Bluetooth Speaker
Power Source	Rechargeable Battery
Connectivity	Bluetooth
Inputs	USB, AUX

Summary

Product Functions

Dual Channel Speaker

Built-in independent dual channel high fidelity speaker with 3W*2 output power.

High-Power Color LED

Features a built-in high-power color LED capable of displaying a variety of light colors.

LED Flash Modes

High-power LED lights can be turned on/off and cycled through four flash modes.

Supported Media and Radio

Supports playback from U disk, LINEIN, TF card, and FM radio functions.

Bluetooth Wireless Transmission

Supports Bluetooth wireless transmission for convenient connection to mobile phones and MID devices.

ISDN and Computer Connection

Supports ISDN and connection to computers via the MIC USB port.

Product Interface

Interface Port Sequence

Details the sequence of available ports: USB Port, TF Port, AUX Port, Charging Port.

Key Operation Functions

Control Buttons

Describes the five operation buttons for power, volume, track skipping, pause, and hands-free calls.

Connecting Devices

Bluetooth Handset Pairing

Step-by-step guide for pairing Bluetooth devices, including initial connection and subsequent pairing.

PC and Tablet Connectivity

Instructions for connecting to tablet PCs and laptops, including advice on Bluetooth drivers.

Troubleshooting

Bluetooth Connection Issues

Addresses common problems like Bluetooth not connecting or the loudspeaker having no sound.

Technical Specifications

Power, Transducer, and Amplifier

Details power supply, transducer size, and power amplifier output.

Frequency Response and SNR

Specifies the frequency response range and signal-to-noise ratio.

Physical Dimensions and Battery

Provides the device dimensions and battery capacity.

Input, Playback, and Charging Time

Lists input connection type, playtime, and charging time.

Bluetooth Transmitter Parameters

Details Bluetooth transmitter frequency range, power, and modulation types.