Leten Automatic Male Masturbator Soft Sleeve Cleaning and Installation：

1. Remove the Soft Sleeve:Clean with lukewarm water (Do not turn the sleeve inside out while cleaning, and avoid using water hotter than 113°F / 45°C to prevent damage to the material).
2. Reinsert the Dry Soft Sleeve into the Cup Holder:Adjust the sleeve position so that the grooves of the soft sleeve align with the transparent cup holder.
3. Align the Prepared Soft Sleeve with the Center Holder on the Device:Both ends of the soft sleeve’s cup holder have clasps, allowing it to be inserted from either side.
4. After Insertion, Rotate the Transparent Cup Holder Clockwise Until it Locks in Place:(Tip: To remove, twist counterclockwise).
   

Leten Automatic Male Masturbator Instructions for Use：

1. Before starting, insert the soft sleeve into the center holder and lock it in place. Remove the transparent cup cover from the top of the soft sleeve (you may keep it on if it does not affect your experience).
2. Apply lubricant to both yourself and the soft sleeve channel.
3. Press the power button to start the device and enjoy.
4. After use, wipe and clean the device thoroughly.

Leten Automatic Male Masturbator Maintenance and Care：

1. After use, remove the soft sleeve and rinse it with lukewarm water. Allow it to air dry naturally or use a lint-free towel to absorb moisture (do not turn the sleeve inside out while cleaning, and avoid using water hotter than 113°F / 45°C to prevent damage).
2. Ensure the soft sleeve is completely dry before reinserting it into the cup body to avoid short circuits or damage.
3. Store the device fully charged at room temperature, away from heat and dirt. Avoid direct sunlight.
4. If not used for an extended period, charge the device at least once every three months to prevent battery aging.
5. Do not wash the cup body or allow any liquid to enter the interior of the device. If liquid accidentally enters the cup shell, wipe it clean immediately.

Leten Automatic Male Masturbator Troubleshooting Instructions：

1. If the device won’t turn on, check if the battery is depleted. Recharge and try again.
2. If the device does not turn on after charging, check if the charging indicator light is working properly and if the charging cable is damaged.
3. If the device operates weakly, recharge it before using it again.
4. If there is a program error, turn off the device and restart it.
5. The product is equipped with a stall overcurrent protection. If stalled, the indicator light will flash five times simultaneously. If the stall clears, it will automatically return to the previous mode. After five consecutive stalls, the device will automatically shut down.

Leten Automatic Male Masturbator Precautions：

[Warning] Failure to follow these safety instructions could result in fire, electric shock, injury, or damage to the product or other property. Please read all the safety information below before use.

1. This product is intended for adult use only and is prohibited for use by minors.
2. If you experience any discomfort while using the product, stop using it immediately.
3. Regularly check the product for damage. If any damage is found, discontinue use.
4. This product contains sensitive electronic components inside. The battery may be damaged if dropped, burned, punctured, or crushed. If you suspect that the product or battery is damaged, stop using it immediately, as it may cause overheating or injury.
5. Do not attempt to replace the battery yourself. The lithium-ion battery in this product should only be replaced by Leten or an authorized service provider. Improper replacement or repair may damage the battery, cause overheating, or lead to injury. Before disposing of the product, the battery must be removed. Ensure the power is disconnected before removing the battery, and safely dispose of the battery. Batteries must be recycled or disposed of separately from household waste. Do not burn the battery.
6. To charge the battery, use the included cable and a power adapter that complies with the regulations of the country/region of use or meets one or more of the following standards: EN 301489-34, IEC 62684, YD/T 1591-2009, CNS 15285, ITU L.1000, or other applicable mobile phone power adapter interoperability standards. Only use adapters that comply with international and regional safety standards (including IEC 60950). Using damaged cables or chargers, or charging in a humid environment, may cause fire, electric shock, injury, or damage to the product or other property. Ensure the USB cable is fully inserted into the power adapter before plugging the adapter into a power outlet.
7. The product complies with applicable surface temperature standards and limits. However, prolonged contact with a hot surface, even within these limits, may cause discomfort or injury. Please exercise special caution if you have any condition that affects your body’s ability to sense heat. People who are insensitive to heat should use the product with care.