China MP3 boombox AD225 with SD/USB decoder and rechargeable lithium battery, shuffle play for your music, multifunctional audio source input including SD/MMC memory card and USB flash drive, Aux3.5mm. Continue working is up to  3 hours. High sound quality. Also a good decoration for desktop.

Specification:

Output power: 6W
Speaker: 2.5" x 1
Frequency response: 85Hz-20KHz
Resistance: 4-8Ω
S/N: >60db
Sensitivity: 700±50mV
Distortion: 0.3% 1W 1KHz