This USB heating rod can automatically control and provide a constant temperature for your private sexual life. High-temperature automatic power-off protection automatically stops heating when it reaches a certain temperature. Fully waterproof design makes the device more convenient and secure to use. Suitable for long-term use. Product size: Length—5.9", Width—0.75". Built-in large-area heating equipment ensures rapid heating. Comes with an ultra-long 1-meter power cord for more convenient operation. Additional Features: The charger includes a safety design with an auto cut-off system and LED signal. Compact size makes it convenient to carry and suitable for male masturbation toys. After heating, the sex toys can effectively promote blood circulation. Smooth appearance, easy to clean. Material: ABS Color: White Size: 5.9" x 0.75" Weight: 40g How to Use: ♦ Apply a small amount of lubricant to the heating pipes, then insert them into the sex toy's silicone cavity. ♦ Connect the heating rod to the masturbation cup and heat for a few minutes. After removing the heating rod, you can experience a realistic body temperature effect. ♦ When finished, clean and dry the device, and store it for future use.