inputs.text: rich full sound high quality bluetooth speaker - received bluetooth speaker amazed deep rich sound medium sized personal speaker found quickly paired connected android smartphone also android tabletbelow pros found testing speaker1 overall sound quality bass treble midrange notes tested speaker smart phone tablet tested several types music genres pop classical rock new age even audio books well watching videos results sound ranges better thought would genres tried watching movies videos pleasure sound excellent2 construction unit heavy duty fact smaller portable bluetooth speakers tested3 slot micro sd card listen music stored sd card keep one inserted sd slot press mode twice start sd cards music automatically4 controls unit play button sd card minus button two uses move previous song press hold turn volume plus button goes next song hold increase volume first turn unit automatically bluetooth mode blinks red ready connectpair phone tablet want listen sd card music easy press mode remembers song playing resumes song show indicator light blue5 phone speaker speaker plenty loud enough using loud bluetooth phone speaker voice phone person quite loud easy hear using speaker told others could hear nicely used speaker deep enough sound several people use phone say meeting one person needs speak speaker etc6 turn unit bottom speaker onoff button7 included usb cable charge computers usb port male male audio cable plugs 35 jack unit end non bluetooth unit radio 35 jack older cd player 35 jack non bluetooth unitsbottom line yes receive unit testing non biased honest review however unit exceeded expectations smaller bluetooth speaker found worked better advertisedtherefore highly recommend allto use phone say meeting one person needs speak speaker etc6 turn unit bottom speaker onoff button7 included usb cable charge computers usb port male male audio cable plugs 35 jack unit end non bluetooth unit radio 35 jack older cd player 35 jack non bluetooth unitsbottom line yes receive unit testing non biased honest review however unit exceeded expectations smaller bluetooth speaker found worked better advertisedtherefore highly recommend