Why use JAMYJOB PREW PREW heating sleeve? The SleeveWarmer device heats your JAMYJOB masturbator to a sensual temperature that further mimics the sensation of a real sexual experience.

• Convenient power options: USB cable
• It heats up to 105° Fahrenheit / 42° Celsius, the perfect temperature to recreate a realistic sexual environment, in less than five minutes.
• Maintains temperature after heating so it's ready to go when you're ready to go
• The automatic shut-off function prevents accidental overheating
• Water resistant against light moisture and splashes.
• Durable and non-slip base plates
• Quick and easy setup