Tuner Bands: AM/FM/SW Frequency Range: FM 87.5-108 AM 515-1710 SW 4.75 ~ 5.06; 5.90 ~ 6.20; 7.10 ~ 7.35; 9.40 ~ 9.90; 11.60 ~ 12.10; 13.57 ~ 13.87; 15.10 ~ 15.80; 17.48 ~ 17.90; 18.90 ~ 19.02; 21.45 ~ 21.85 Built-In Speaker: Yes Output Power: Speaker 250 mW DC in: Yes Headphone Jack: 3.5mm Features: Ultra compact Tuning LED Power Requirements: DC in: 4.5V DC 200 mA Batteries (Main power): 3 x 1.5V (UM-3)