... player,cassette record,monoplayer, portable music box, cassette player, usb cassette tapes,cassette to MP3 converter. Feature:• Rediscover your ... headphones, or other speaker system.SpecificationsColor: SilverPower Source: USB/2 x aa batteriesPorts: 3.5 mm audio out/earphone jack, ... 3V DC power in, mini USB 2.0Recording Format: WavPower Consumption ...