通用串行总线(USB)小型发言

Super Capsule Mini Speaker mini speaker usb speaker MP3 speaker (1)Used new design of latent port, (2)The outlook is gyroidal in special style,it is larruping. (3)Be applicable for MP3,MP4,Laptop,PC,MD,Mobile phone,etc..all kinds of digital player devices.SPECIFICATION: Dimension:(φ)36MM *(H)36.5MM Net Weight:56g Speaker:φ36MM Input:L/R380mV Power Output:1.7W S/N:>80dB AMP Freq Range:280Hz-16KHz Charge Voltage:5V+0.5V Suitable Temperature:0-40(4)With special particular patent in worldwide---expansile resonator construction design(extending the space of resonance). (5)The resonator will be expanded while playing,that will increase the low frequency outputting.If power off close the reson reator,the dimension will become smaller.That will be easy to keep in pocket. (6)With currency 3.5mm audio 1.0tracks inputting.It's easy to use. (7)Built-in rechargeable lithium battery with high capacity. protected by multiple electro circuit,and the USB jack supports recharging repeatedly,enabling more than 4hours' performance.