SONY Portable Radio ICF-EX5MK2 FM AM Nikkei Analog Tunning large bar antenna adopt such high sensitivity design synchronous detection circuit deployment to reduce the beat noise, and listen to the clear Output: 1.3W (JEITA / DC) Power supply: batteries (single 2  4), (optional AC adapter: AC-D4L) Battery life (approx.): (1) manganese batteries (2) alkaline batteries: (FM) (1) 44 (2) 120 (AM) (1) 29 (2) 85 earphone jack: 3.5mm mini jack mass (1050g:) including battery