7 Changeable Color Real Sound:RGB 7 color changing light saber allows you to have purple light sabers green light sabers blue light sabers red light saber and more at the same time. Integrated with a special combat sound effect and light flash mode RGB lightsaber brings a vivid and real combat experience. (with sound effects on and off mode) Upgraded Battery Service: Light saber made of more stable and safety 2000mAh 18650 Lithium ion battery 2-3 hours fast charging.(Please Use 5V1A charger to charge so as not to damage Lightsaber battery) Light saber Size and Material: Our Handle is made of aluminum alloy upgraded polishing tech is more fashion and comfortable. Blade is made of high-impact PC Sturdy Smooth Anti-Breaking Safety Suitable for Kids.