ELPA Speaker Radio Connect To Your TV for Convenient Listening ER-SP39F AM/FM -

Tuning method: Digital tuning Receiving frequency: AM: 522~1620kHz FM: 76~95MHz Speaker: 80mm diameter round 8Ω 1W Output terminal: φ3.5mm mini jack Input terminal: φ3.5mm mini jack Power Supply: DC6V AA alkaline batteries x 4 (sold separately) or DC6V 300mA center positive (JEITA standard polarity) Compatible Plug: Outer diameter φ4.0mm, inner diameter φ1.7mm (when using AC adapter sold separately) External dimensions (approx.): Width 100 x Height 160 x Depth 130 (mm) (maximum) Weight: Approx. 415g (excluding batteries) Accessories: φ3.5 mini plug - φ3.5 mini plug cable (3m) Battery life (JEITA) *When using alkaline batteries *Battery life may be shorter depending on battery performance and usage conditions. When using speakers: AM 100 hours / FM 100 hours When using earphones (approximate): AM 180 hours / FM 180 hours