KING applies ZALO's breakthrough PowerThrust technology, organically integrates high-performance motor systems and precision electric drive structures, breaks through the limitations of traditional electromagnetic drives, and raises the thrusting power of the motor to a new level, with a frequency of up to 40 times per second, and brings a more powerful thrusting orgasm experience. FEATURES: Premium body-safe silicone Embellished with real SWAROVSKI crystal 4 vibration modes 8 power-thrust modes Water-resistant USB rechargeable App remote control 1-year warranty