Product Name GT201-206 Product explain 1) This vibrating ring is designed with special touch sensation stimulator new feature, will vibrate automatically for greater mutual stimulation when it touches female clit. 2) The product is designed with special silicone gel ring. It can effectively prolong ejaculation of man, last erection and hold firmer, increase pleasure of woman climax. 3) One time use only, durative intensive vibrations for 30 minutes. 4) Made of SEBS not-toxic material, according with FDA and CE standard. 5) We have patent for the product in China mainland, Taiwan, Japan, USA and EU.