Sport mp3 speaker skull speaker car speaker Support tf card FM audio

Product Detailed Description

Speakers function parameters
Product size: 5 * 5 cm aluminum alloy
Battery: built-in polymer battery (lithium battery) 550 mah
Output power: RMS 3 w mono THD = 10%
Frequency response: 150-18000 hz (plus or minus 3 db)
Signal to noise ratio: 80 db or higher
Speaker: 1.77 inches (45 mm) foreign economic antimagnetic, 4 ohms
LINE interface: In need original USB cable (speakers with good)
Power input: 5 v500ma ac power adapter (available separately)
Jack pertaining
DC - 5 v: charging power supply interface
LINE IN: audio input
Audio output
POWER: the POWER switch
Function introduced: TF card microSD card U disk, headset, radio function
Come with accessories:
1, USB power cord, 3.5 mm round head stereo audio line 2 for one line 1.
2, a box.