Modern, fluid shapes and designer accents characterize this luxurious new collection of JOPEN massagers. Designed to bring elegance to the bedroom, each Callie product encompasses strength, power and style while providing the superior pleasure and quality found in JOPEN products. Virtually seamless and Satin Finish Silicone. Luxury gemstone easy push button operation. USB rechargeable (charging cord included). 100% Waterproof. Massager will run for: 1 Hour on high speed 2 Hours on low speed Complete charge in 2 hours 4.25" x 1.5"/10.75 cm x 3.75 cm (massager) 2.5" x 1.25"/6.25 cm x 3.25 cm (controller) 7 functions of intense vibration, pulsation, and escalation.