Aiwa Hs-sp590 Cross Trainer Digital AM/FM Radio Cassette Player with 30 Preset Stations AM/FM 2-band tuner with SUPER BASS Auto-reverse cassette Water resistant (including headphones) 18 Hour Play battery life with 1.5 V batteries Requires (2x) 1.5-Volt N-Size Photo & Electronic Batteries (NOT STANDARD AA SIZED),