The EGO e5 Premium Silicone Prostate Probe for Men is rechargeable, with complete charge in 3 hours. Has a premium rechargeable lithium ion battery. The e5 is unscented, non-porous, and hypoallergenic. Has a virtually seamless satin finish. The EGO e5 features intense incremental speed control and is whisper quiet. Has instant on/off button and a security travel lock. Also features an LED indicator light. It's 100% waterproof, silicone, and play area. The e5 is powered by PowerBullet. Includes a universal USB cord. One year warranty. Optional 10 year replacement guarantee. 6.5 x 1.5/16.5 cm x 3.75 cm