Submarine Waterproof Masturbator automatic Thrusting, Vibration Combo, Shower Safe，+ Free Masturbator Extender

Submarine is a fully waterproof, automatically retractable, and squeezing male masturbator.

Most male masturbators stop at the bathroom door. The OTOUCH SUBMARINE is built for what’s inside — and now for every size.

Fully IPX7 waterproof and submersible up to 1 meter, the SUBMARINE is designed for shower sessions, bathtub use, and anywhere you want water-safe pleasure without compromise. The latest upgrade adds a detachable extension sleeve, giving longer users extra length and deeper immersion while keeping the same powerful triple stimulation.

Three Functions + Extended Fit. One Immersive Experience.

SUBMARINE doesn’t ask you to choose — it delivers all three at once:

• 5-mode automatic thrusting delivers smooth, rhythmic strokes that replicate natural motion
• 360° contraction tightens around you from every direction for a gripping, immersive squeeze
• 7 vibration modes add intense sensation across the full length

Run them independently or stack all three. The new detachable extension sleeve easily attaches to accommodate longer sizes, ensuring full coverage and maximum pleasure for every user.

IPX7 Waterproof — Built for the Bath, Shower & Beyond

While most competitors offer only basic splash resistance, SUBMARINE is engineered for true underwater use. Submerge it up to 1 meter in the bath or take it into the shower without hesitation. The same waterproof seal that protects it during play also makes cleaning effortless — just rinse under running water after every session.

Premium Build, Powerful Performance

• IPX7 waterproof — fully submersible up to 1 meter
• 5 thrusting modes + 7 vibration modes + 360° contraction — triple stimulation, fully stackable
• Detachable extension sleeve — designed for longer sizes, easy to attach and remove
• 1000mAh battery — 60+ minutes of continuous use per charge
• Silicone + ABS construction — premium body-safe materials
• USB rechargeable — convenient charging, ready when you are
• < 65dB noise level — quiet enough for private sessions

Whether you’re looking for a waterproof male masturbator, an auto thrusting stroker, or a shower-safe sex toy with extension sleeve, the OTOUCH SUBMARINE delivers deeper, longer, and more intense pleasure — now sized for everyone.

Looking for non-waterproof options? Browse all OTOUCH masturbators including the AIRTURN 4 and INSCUP 4. Not sure which to choose? Read our Buying Guide & Comparison.