Product uses 3 x AAA batteries (no batteries) Function: switchable between 6 different modes, long press switch to lock any mode, long press switch to eliminate background sound The first mode, white light, vibrating random colour change, can change seven different colours, while the sound of the sword The second mode, red light, vibration, no change of colour, sword sound The third mode, green light, vibrates in the same colour and emits a sword sound The fourth mode, blue light, vibrates without changing colour and emits a sword sound The fifth mode, silent, vibrates randomly and changes colour to seven different colours, emitting a sword sound at the same time. Sixth mode, off, with the sound of the sword being turned off. Note: Press and hold the on button for 2 seconds to hear a squeak, you can lock any colour and mode, press and hold the on button again for 2 seconds to hear a squeak to unlock it.