Lush 1st Generation is a smartphone (or smartwatch) controlled bullet vibrator. It's designed for solo play, discreet public play and long distance couples. The hardware is fully optimized for public play so it's powerful, but quiet. IPX7 Waterproof Up to 2 hours of Continuous Use Body-Safe Silicone Wireless remote up to 30 feet USB Rechargeable 1-Year Warranty Total Length 4.5 in Diameter 1 in. Compatible with Lovense App. Enjoy close-range control, long-distance control, unlimited vibration patterns, sync to music, sound-activated vibrations, set vibration levels.