The eidolon vibrator works with the magic motion application, which can be downloaded for free for any smartphone. the magic motion eidolon application makes the toy vibrate to the rhythm of music or by controlling your voice with the original patterns or custom patterns that are within range of your smartphone. this stimulator is a great intelligent trainer of the pelvic floor muscles. includes a training guide and a personalized virtual coach. and the command? Well, quite simply, the remote control is your own cell phone. all you have to do is download the magicmotion application, sync it with the toy and ... proceed! Bluetooth just needs to be enabled and synced with the toy for your partner to have fun from anywhere in the world! Also, the best thing about this toy is that it is rechargeable with a lithium battery and via usb. sync your music to vibrate to the rhythm, talk to your partner on skype and whatsaap while your voice controls the toy ... the possibilities are endless. if you don't want to play with the application either, you can use the toy in manual mode by activating it with the button. full charge in 2 hours for 3 hours of work. requirement for bluetooth 4.0.