Smartphone Gramophone!
Check out this awesome little acoustic smartphone amplifier! No batteries, no cords, just the exact same acoustic principals for amplifying your smartphone that were used in antique gramophones. Want one? https://www.macys.com/shop/product/st...{feetitemid}_c_KID_,trackingid:509x1050687739&cm_mmc=Google_SH_PLA_Tabletop-_-GS_Home_Decor_PLA_Studio_Mercantile-_-293719127655-_-pg1050687739_c_kclickid_c0390479-ed6d-4839-9bf9-3b034b9a595f_KID_EMPTY_1546922789_61770729827_293719127655_pla-515269103998_843479161984USA__c_KID_&trackingid=509x1050687739&gclid=Cj0KCQiA68bhBRCKARIsABYUGicbDOkbdR5Tir47AMrLjEHxjhMWVkznCujTDf788bxmyeYxQy3mbU4aArr9EALw_wcB

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Phone Amplifier

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