Mini speaker 1) Paly songs from TF, Breakpoint memory 2) 3.7V(500mA/h) 3) FM function 4) Play Music connect other Equipment

Portable USB mini speaker, outdoor speaker factory outlet

The main functions

1.Play the songs of TF card

2.Built-in battery,3.7V(500mA/h), rechargeable and use

3.Can play music directly connecting computers, mobile phones, MP3, MP4, MP5

4.Shape of exquisite beauty, light and compact, anytime, anywhere to enjoy music

5.FM function, Creative antenna, more powerful!

The main technical parameters
Speaker interface:		DC-5V/USB,LINE IN
Battery / power supply:		Built-in, 3.7V(780mAh)
Audio formats:		MP3
Output power:		4w
Peak power:		4w
Sensitivity:		90dB
Frequency Range:		90-120000Hz
Signal to noise ratio:		>85dB
Bass boost/attenuation		90dB
Treble upgrade/attenuation		80dB
Tweeter unit		90
Midrange unit		90
Main speakers:		90
Distortion:		1%
Speaker Impedance:		4Ω
Maximum SPL:		28
Appearance Material:		Aluminum alloy

Portable USB mini speaker, outdoor speaker factory outlet