You only have to press for 3 seconds to start enjoying (if you don't use it for 5 minutes it will turn off by itself), just like on the remote control. Each time you press, you can travel between its 7 vibration functions. Just below you'll find the voice control button, which you only have to press for 3 seconds to turn it on. Press it to test its 3 positions, low, medium and high speed. Features: 7 vibration functions Remote control “Audio” function Powerful engine USB rechargeable Autonomy: 1 hour Splash-proof Silicone + ABS Noise level: less than 50dB Egg measurements: 16.8 cm x 3.6 cm