Multimedia stereo supports indoor/outdoor classroom activities and programs. Built-in microphone records student responses to help monitor their progress with lessons and reading practice. ABS plastic construction is durable to withstand the rigors of daily classroom use. Recessed speakers behind protective steel grills prevent accidental damage in busy environments. CD digital counter allows you to quickly locate lesson materials. Telescopic antenna features a reinforced jointing point for increased strength. Dual power supply operates the unit with either AC power or eight C-cell batteries for flexible performance. Stereo also includes AM/FM radio, carrying handle, 3.5mm headphone jack, 5' AC cord and more. Stereo is perfect for individual or group activities, literacy groups, ELD, ESL and other language learning programs.