The Eupho was introduced in 2004. Featuring a compact head combined with a slim elegantly contoured body, it was praised for its exceptional responsiveness, subtle stimulation and its ability to produce a variety of complex sensations among men with stronger muscle tone. The Eupho was quickly embraced by many advanced users as the Ultimate Aneros. Today we proudly present the Eupho Trident Syn, the synthesis of our newest Trident series innovations with our most luxuriant velvet touch silicone yet. The Eupho Syn Trident is recommended for experienced users with well-developed anal and PC muscle control for advanced multi-orgasmic exploration or ecstatic partner play. Dimensions: Tip Width: .74 inch Mid-Ridge Width: .87 inch Stem to Perineum Distance: 1.6 inches Insertable Length: 3.5 inches. Non-vibrating,non-electrical Aneros products are warrantied for the life of the product.