Specifications:
*Output power: RMS 3W *2
*Frequency response:100HZ---20KHZ
*Driveunit:1.5"x2/4Ω
*S/N Ratio: ≥85db
*Dimension:W60x D63x H68mm
*Lithium battery :3.7V 500mA
*Built-in high-capacity lithium ion rechargeable battery
*Transparent plexiglass outer covering