mini SD card speaker
1.portable speaker for computer,laptop,notebook,mobile,mp3,mp4
2.Compatible Micro SD/TF/U-disk

mini SD card speaker for Computer Laptop notebook mobile mp3 mp4 

Specification  

1.Built-in Lithium-ion battery;Power Supply:Lithium-ion,Computer-USB-in,DC-in
2.Compatible mobile/computer/MP3/MP4,Compatible TF/Micro SD card
3.3.5mm AUX in
4.Memory Play:Auto remember the last song & play mode played
5.Output:3W
6.Frequency response:150-18KHz,SNR:≥80db                                                                            
7.Material:Aluminum alloy 

8.product size:53x52x52mm