Power supply: DC 3V UM-3X2 Dimensions: 175 (L) x 56 (W) x 180 (H) mm Packing 60 (L) x 30.2 (W) x 34.3 (H) cm - 60pcs/ctn N.W.: 11.5kgs; G.W.: 12.5kgs 2.19 CU FT; 0.06215 CBM 20-inch NR load: 27,000pcs Min order: 3,000pcs Superb new design AM/FM mini headphone LED power indicator Light weight folding cabinet Earpieces adjustable vertically well as horizontally More comfortable earpieces More elegant design of the headband Telescopic antenna for metal version and thicker antenna with a higher-valued cap for plastic version Operated by two penlite batteries (not included) Colors: red, blue, black and yellow Remarks: metal antenna is also available with an additional cost