mini laptop speakers+CE ROHS+fm radio sd usb

mini laptop speakers
extend-rectractable resonance cavity
Built-in Li-ion battery
can read USB/SD/TF card
mini laptop speakers
Portable mini speaker (design patent)
*extend-rectractable resonance cavity
*Build-in Li-ion battery
*Can read USB/SD/TF card directly
*FM radio funtion
*Very portable for ipods, for iphones, for ipad,mobiles,mp3/4/5 etc
*With CE,ROHS certificates

Size
11.6*6.2*3.9cm when draw back
11.6*6.2*8cm when stretch out