The Ultimate Kit comes with a powerful quiet interchangeable bullet(<60db) while delivering intense sensations. The interchangeable sleeves are made from medical-grade silicone, and have been ergonomically designed to fit comfortably in your hand, and feel luxurious against your skin. Magnetic rechargeable. All Loveline products come with a 1-year warranty. Product weight: 9.15 oz Quantity motors: 1 Rotations per minute: 10000 RPM Speed modes: 10 Multi speed: Yes Noise level: 60 dB Rechargeable: Yes Rechargeable time: 120 min Recharged battery lifetime: 45 min Waterproof: Yes Splashproof: Yes Phthalate free: Yes Materials: Silicone, ABS