Amplifier box inside With multifunction,can separatly use as mini speaker
Support TF card
With FM radio
With flashlight
Bag size:40.5*11*28cm
Technical details :
Power: 3.7V/1000MA USB/Li-ion battery.
Output: RMS 1W
Frequency: 100Hz-20KHz
Senstitivity: ≥80 db
Power input: USB 5V
Driver unit: 28mm, 4Ω
Li-ion battery: grade A
Size: 99*46*19mm

Packing：

PE bag packing
QTY:10PCS/CTN
N.W: 8.6KGS
G.W: 9.6KGS
MEAS:40.5*33*50CM