inputs.text: ok price rugged quality case decent sound - first many noted clear speaker best used laptops requires usb power not use battery power use usb wall adapter car usb adapter cord 35 mm audio cord use audio device plus opinion still really intended use windows laptops must support plugnplay drivers purpose fine speakerit ruggedly built strong aluminum case grill basic controls onoff volume updown 35 mm audio input usb power input easy grab carry reartop rim makes good handle sound quality good personal listening bass rolls around 200 mhz guessing good enough general music games movies forth mids good highs sufficient plenty loud personal usei use lot simplyvibe products general like thehem much one well designed made much limited feature set models resonator design produces little fuller sound smaller models not fm radio sd card microsd card slots great rechargable battery used modelsstill need speaker plug laptop using usb cord great purpose