Mini vibration speaker,a kind of special speaker,it depends on vibration of hard surface like wooden table,glass,wall and so on

Rated Power : 3W RMS
Dimension: 50mm(diameter)x52mm(height)
Impedance: 6 ohm
Power supply: USB cable
Net Weight:   250g
Gross weight:320g
Packing: giftbox (13.5cm*11.5cm*7.7cm)

Spare  parts:

speaker,
 USB cables
manual

warranty term:12 months warranty time

Delivery time:20-25 days for the first order repeat order 15-20days