Technical information :*IMPORTANT INFORMATION* It is possible that you will receive the saber in silent mode, to reactivate the sound, the saber must be in standby mode and not turned off completely, press for 1 second on the button and then release according to the instruction manual in the section number 4 "Sound Effects", the second line, volume increase. The sound will be activated and you can repeat the operation to increase the volume. Total length : 44.5 inches Handle length : 10.5 inches Blade diameter : 1 inche Handle diameter : 1.2 inches Handle material : Aluminiumweight : 1.13 lbs Blade material : Optical resistant polycarbonate Battery : 3200 mah Recharge Time : 2 hours 5 Hours autonomy The improved points : Improvement of sound in motion (addition of advanced motion sensor last generation) 10 different light colours (adjustable) USB Quick Charge Stainless steel handle 5 additional lighting modes Flash Clash + Sound (when typing with the saber) Premium Metal Hilts : Our hilts are handmade by master craftsmen. You will not find a better quality handmade hilts in the galaxy.Heavy Dueling Blade: Our blades are the toughest in the galaxy! They are designed specifically for heavy dueling so you will have no worries whilst battling with your enemy. Premium Soundboard: Our premium soundboard offers different sound option with a realistic feeling with nice swings.