Mini Portable Audio Speaker Amplifier for Laptop MP3

Detailed Product Description:

This mini speaker has compact size and light weight. With 3.5mm audio plug and Micro SD slot,
it can be connected with MP3, MP4, Phones, iPod, and PC, to play music.
Features:
Compact and lightweight.
Mini digital audio with unique appearance and black colors.
Aluminum diaphragm micro-speaker, insure the sound quality.
Circular design, exquisite appearance, with 6 buttons.
Buttons definition: "ON/OFF", "Repeat", "Stop/Pause", "Back/volume down", "Next/volume up", "EQ".
Ports including: 3.5mm stereo port, Micro SD, USB(connect to computer or charge up).
Support Micro SD and perfect for most electronic devices like MP3, MP4, Music Phones, iPod, Portable CD Players, Notebook PC etc.
Bottom with red or blue LED light.
Build-in lithium battery, rechargeable by USB port.
You can enjoy perfect stereo sound produced from the metal speaker.
This compact travel speaker is ideal for use at the office, home, or carry to where you go.
Specifications:
Color: Black
Output Power: RMS 3W THD=10%
Frequency response: 150~1800Hz(?±3dB)
SNR: a‰? 80dB
Speaker: 1.77" (diameter 45mm) magnetically shielded, 4ohm
Power Input: USB cable or Power adapter 5V/1000mA
Product size: 5*5*5cm
Product weight: 78g
Package size: 10.5*5.3*5.3cm
Package weight: 122g