Ferri Tiny, Versatile and Powerful Magnetic Panty Vibrator. Extra-Strong Magnetic Cap. Secure magnetic cap ensures the toy stays put during use and stimulates your clitoris while you walk, sit, dance or lie down. A great choice for teasing or full-blown orgasms no matter what setting you find yourself in! Ferri's size allows you to be spontaneous: slip it into your purse so you can have it close in case you are in the mood for some unplanned public play! Or ... slip it into your panties and use it to wake you up. It's small enough to feel nothing when it's OFF, but its power will always bring the big O! Designed for public play, suitable for any location. Whisper-quiet: the highest sound level is 43dB. Compatible With: iPhone/iPad Air/iPad Mini/iPod Touch iOS 10.0 and later. Android 4.3 and later (with Bluetooth 4.0 enabled) Mac (with Bluetooth 4.0 enabled) Windows PC (needs a Lovense USB Bluetooth Adapter to connect). IPX7 Waterproof. USB rechargeable - 3- 3.5 hours of continuous use.