inputs.text: compact powerful multisource portable speakers unusual quirks - compact simply vibe svx6u1 portable speaker produces good quality sound capable delivering surprising level volume speakers small unit amplifies audio mp3 players well plays mp3 files sd cards usb memory drives also builtin fm radio clock alarm function small size makes ideal taking sounds although unit perfectly suitable desktop boosting audio laptopthe unit powered either usb nokia bl5c type lithium battery battery life varies depending high volume set rated 10 hours recharge time via furnished usb cable couple hoursa 38\\ long audio cable provided connect mp3 player computer audio device speaker auxiliary input jack rear next headphone jack simply vibe svx6u1 also plays mp3s media sd card slot usb connector flash memory drives right side panel \\mode\\ button front used cycle different sources fm line usb sd cardwhile device utilized many ways number spare cards probably use mostly playing files sd cards even mp3s burned 80kb sound fine possible cram lot files onto card hdsc although unit display unlike mp3 players isnt convenient way navigate files select specific songs artists want play unfortunately skip files one one no fun several hundred files interestingly files seem read played not alphabetically order order files transferred cardmost times unit resumes playing left playing files sd card insert flash drive speakers switch play files flash drive true situation reversed playing files flash drive insert sd cardthe controls visible front display may not clear buttons small little hard operate instructions not well written figuring set date time could something adventure sensitivity buttons isnt greatest delay response time functions frustrating times skipping files get tedious might helped couple buttons little largeryou probably need crank volume mp3 player computer almost maximum order get decent volume simplyvibe available memory sd card flash drive unit record ambient audio create issues wav files created \\protected\\ erasing little inconvenient tone adjusted selecting one preset equalization settingsi several external speaker systems yet find one kind convenience portability looking utilizes cord connection dont find svx6u1 ideal use ipod used sd cards unit small easy carry delivers good quality sound battery lasts decent amount time perfect taking around house trip park beachit not without flaws svx6u1 great value price range would make terrific gift plan get another one point nokia battery uses readily available inexpensive speakers available either black white finish also considered thesimplyvibe svx7 decided accepts micro sd cards rather sd cardsr sd cards