Hardware parameters:
Output power: RMS 4W (2W +2 W) THD = 10%
Frequency response :150-18000HZ (+ /-3dB)
SNR: ≥ 70 dB
Speaker: OD 45mm， 4 ohm shielded
LINE IN connector: 3.5mm stereo plug withdecoding U disk， TF card and FM radio function
Power input: 5V/1000mA original power adapter， USB power supply and built-in lithium battery
In the decoding U disk or TF card， ready to use playback pause， volume control， song down song selection function
Sound Dimension: 145 * 50 * 52mm
Aluminum body， elegant appearance， unique design， so sound quality is better
Color: plum (purple)， blue， black， silver， green

Features Overview:
Machine can play MP3， read TF card or U disk audio files;
Support FM radio function，88-108MHZ full-band stereo radio (need the audio cable to an antenna into the ANT interface is used， or reprovision antenna);
You can adjust the volume up and down songs with power switch;
speaker base with colorful LED lights;
Connect the audio cable to the LINE IN interface， you can give desktops， laptops， cell phones and mp4 audio speakers and other peripherals to make use of;
With a rechargeable lithium battery， user removable， easy to use;
Music Angel speaker with a full range of quality rubber speaker， play music， good elasticity， bass is better than similar products.