Lovense Max is one of the first high tech male masturbators. The air pumps mimic contractions and the vibrator sends subtle vibrations throughout the toy. Use the buttons on the toy or our app to change the air pump settings and adjust the tightness! You're also able to give long distance control to a partner, have long distance sex and sync with select VR Porn content! Max 2 features the ability to sync with Nora or another Max 2 over the internet- allowing LDR couples to experience be intimate IRL.IPX7 Waterproof5 Hours of Continuous UseBody-Safe SiliconeWireless remote up to 30 feetUSB Rechargeable1-Year WarrantyTotal Length 10 inDiameter 3 in.Insertable diameter 2 inCompatible with Lovense App. Enjoy close-range control, long-distance control, unlimited vibration patterns, sync to music, sound-activated vibrations, set vibration levels.