This elegant toy features a new generation F1 super powerful motor. This Next Generation F1 motor vibrates at a staggering 15,000 rpm! Featuring 10 unique vibration functions. 7 vibration patterns, with 3 distinct intensity levels. Waterproof. Extremely quiet. Materials Silicone, ABS Plastic, Rechargeable USB. Magnetic charger. Rechargeable time 150 minutes. Recharged battery lifetime 60 minutes. Product dimensions approximately 3.85 inches by 1.92 inches by 1.25 inches, 9.8 x 4.9 cm. Product diameter 3.2 cm.