Features 4.5” x 1.5”/11.5 cm x 3.75 cm (shaft) 2.5” x 2”/6.25 cm x 5 cm (butterfly) 7.25” x 2.5”/18.5 cm x 6.25 cm (overall) 7 functions plus independent, incremental speed control Rechargeable, Lithium Ion battery runs for 2.5 hours on low speed, 45 minutes on high speed Complete charge in 2.5 hours State-of-the-art memory chip resumes last function used Auto on/off function with LED charge indicator Unscented, non-porous, hypoallergenic Virtually seamless, satin finish Silicone Security travel lock function Whisper quiet 100% waterproof Premium Silicone 100% play area Easy to clean One year warranty