This Silicone Kegel exerciser is great for advanced users because of its slightly smaller size and easy retrieval cord. It features 12 intense functions of vibration, pulsation, and escalation. A state-of-the-art memory chip inside the kegel ball resumes to the last function used so you can continue from where you left off. 

Rechargeable. Includes USB charging cable. Complete charge in 60 minutes. Runs for 40 minutes on high speed and 60 minutes on low speed. 

Measurements: 
2.75 inch x 1 inch / 7cm x 2.5cm (Ball)