Yeloly usb heating rod automatic temperature control for sex dolls elevate your experience with the yeloly usb heating rod a simple, effective accessory that warms your sex doll or masturbator to a realistic body temperature in just 10 15 minutes. Simply plug into any usb port and let the heating rod do the rest no settings, no guesswork. Key features automatic temperature control: heats to body temperature 40 c and maintains it automatically no overheating risk led indicator: red light during heating, switches to green when ready for use auto power-off: high-temperature protection automatically cuts power once the target temperature is reached 100% waterproof: multi-layer waterproof design safe to rinse and clean with water directly universal usb power: works with any usb port power bank, laptop, wall adapter, or car charger compact & lightweight: only 37.5G easy to store and travel with how it works insert the heating rod into your doll's internal channel, plug into a usb port, and wait 10 15 minutes. The indicator light turns green when body temperature is reached and the rod is ready. The auto shut-off feature ensures safe, consistent warmth throughout use. Light indicator during heating, the indicator light turns red. Once the desired body temperature is reached, it transitions to green your doll is ready to use. Automatic power-off high-temperature automatic power protection: once reaching the target temperature, the device turns off power automatically to prevent o...