This portable world band radio earned The Best rating from the Hammacher Schlemmer Institute because it had the best reception, produced the highest sound quality, and had a superior list of features. In comparison tests by The Hammacher Schlemmer Institute, it picked up 18 shortwave channels, 35 AM channels, and 47 FM channels while lesser units only received 12, 8, and 38 channels, respectively. The Best model was also ranked as the unit with the highest quality audio due to its clear and crisp sound while inferior units generated feedback. Its superior list of features include programmable stations, single sideband tuning, and a telescoping antenna. The rechargeable unit also comes with headphones, a USB charger, and case. 4 3/4" H x 7 3/4" W x 1 1/2" D.