mini speaker,USB/TF mini speaker 1.baby foot ,and good face 2.sound quality 3.factory price as reference 4.accept OEM

Product Parameter

Loudspeaker Specification     40mm diameter 3w *4 Ω *1

Low frequency radiation device (Beryllium)

Output power   3W

Frequency response   60Hz--20KHz

Sensitivity        80db±2db

SNR     ≥80dB

Distortion           ≤0.2%

USB Specification       USB 2.0, compatible USB1.1

Power supply mode        DV5V USB power supply, supplied with a built-in 420 MAHA level Li-polymer battery

Product specification     Φ80*42mm

Net weight         115g

   Product Functional Features

[TF/Reader music play ]

Built-in TF card intelligent decoding, it can play MP3 format audio file directly which prestored in the TF storage device.

[FM Radio]

Built-in FMR radio module, built-in antenna. It can search and store radio automatically, and it is compatible with campus broadcast.

[USB external function]

Data line connects to the computer for copying information. The computer can recognize the play device as a mobile memory directly and then store other file except music. Other functions can be done through the USB cable (reference in cable instructions)

[Super strong bass]

16 unit core, double magnetism, the long amplitude individually tailored the perfect combination of high quality speakers and low frequency radiation device, super dynamic low-frequency sound pressure. It has potential power in the bass. And it has superior sound with strong shocking.

[Dual mode power supply]

It support computer USB power supply and lithium battery power supply, you can choose freely of double power mode.

[Memory play after power off]

Automatically memorize the last launched song, TF card play track independent memory, non-interference.

[Headphone output]

Headphone output mode can be selected, and it does not disturb sound.

[AUX input]

3.5mm stereo audio input, it is easy to connect the various sound source of extensive audio-video products, such as laptop computers, digital music players, Tablet PC and iPhone.

[Charging and playing shutdown]

Intelligent charge red LED indicator, LED is off after charging completes. The machine will automatically shut down when low battery blue light rapidly flashes, protect the battery from excessive discharge

                                                   

Baby foot usb portable amplifer mini speaker