Centechia Portable Mini Speaker Aluminum Alloy Stereo Loudspeaker Music Player With FM Radio Support SD Card

Made of high quality fluorescence surface aluminum alloy, elegant and stylish in appearance.
Good sound quality lets you indulge in your favorite music
Supports Security Digital Memory Card, TF card, USB disk, FM, etc.
Supports Line IN function, receiving the audio source from MP3, MP4, PC, Notebook, Phone, etc.
Supports USB2.0 high speed transmission, fully compatible with USB1.1.
Function Buttons: on/off, menu, previous song, next song, play/pause, volume control
LED display panel.
Built-in high capacity rechargeable battery, support long play.
Compact and portable, convenient to carry.
Specifications:
Material: Aluminum alloy
Power source: Li-ion battery / DC5V
SNR: more than 80dB
Music format: MP3
Frequency response range: 150-18000Hz(±3dB)
Output power: RMS 3Wx2 THD=10%
Size: As the picture show
Size: 50*48*52mm