What other advantages does the Satisfyer Big Heat vibrator have? Pick up the Big Heat using the distinctive handle of the Vibes collection, which allows for a better grip and a more comfortable hold. Thanks to its slightly curved, rounded tip and firm shaft, this thermal vibrator is very hot. Big Heat, with Bluetooth technology, can be connected to the award-winning free Satisfyer Connect app, giving you the ability to control the powerful motor and customise the pleasure. Big Heat is made from body-friendly silicone, is rechargeable and waterproof (IPX7). Lots of heat. Lots of pleasure.