Bluetooth(R) enabled; 1,200-yard range; For indoor/outdoor use; Used by US Armed Forces; Max output: 50W; SD(TM) Card & USB readers; Ergonomic pistol grip & lightweight chassis; 6 audio functions including talk, siren & USB/SD(TM) Card modes; 3.5mm aux input; Requires 8 C batteries; Dim: 9.44 dia x 13.77L;