inputs.text: decorative bluetooth mono speaker - abstract design bluetooth bt mono speaker huge range exceptional battery life recharged less 4 hours power source lasted 20 hoursstyling finishthe body essentially geometric design 9cm cube divided 1cm checkerboard relief pattern sides excluding base use around home shape size not something fits pocket bag left shelf looks like abstract ornament square give interesting relief shadows different lighting not immediately obvious visitors speaker could leave room wishing put away sighton two opposing sides squares perforated acoustic purposes aware one side call front emits sound mono speaker perforated surface back aux micro usb charge point led rear perforations needed acoustic improvementfive 1cm squares top surface actually controls power vol vol phone bt pair no track control logo one cornerthis one black matt finish slight soft feel no sharps corners edges not show finger marks allthe entire bottom surface high friction black rubber surface rough pattern texture unfortunately picks bits everywhere place hard clean situ think crumbs kitchen rubber sheet peal glue used cube bottom not permanent grab thats unintentional believe allowed rinse one time put backbt pairingused number bt speakers put pairing mode power short spell first pairing speaker must press hold bt button loud two one beep devices display look magic cube device name automatically pairs transmitter turn blue led goes various pulse patterns indicate status switch one transmitter make sure paired devices offbt rangereception range one longest reviewed easily maintaining interrupt free reception garden either phone tablet tv transmitter including walls distance 15m bt speakers turning nearby microwave temporarily swamp bt link plug aux lead bt function becomes deactivated blue led goes outsound qualitythis mono speaker takes sounds stereo channels mixes single channel looks first might two speaker cones two perforated sides inside one front rear passive diaphragm bass improvement volume frequency range better native tablet phone speakers louder much improved bass alert tones loud not controllable rising four tone reverse beep max volumeno discernible interference noise rattles buzzes many bt speakers go power saving modes rapidly silent parts spoken audio recorded noise gate sometimes makes little click sound speaker sound not noticeable plus listen lot material used wired usb speaker using black 60cm 35mm aux cable standard cablebatterynon replaceable battery came charged usb cable supplied need recharging source 5v usb know still charging red led bt redpurple earlier version ofthis speaker lasted 8 hours new version runs easily double making practical several hours use daysinstructionssmall booklet printed easy read font size good englishgood design excellent range good sound quality build exceptional battery lifethis speaker lasted 8 hours new version runs easily double making practical several hours use daysinstructionssmall booklet printed easy read font size good englishgood design excellent range good sound quality build exceptional battery life