Screaming O Dynamo Delay Spray male genital desensitizer spray. Dynamo Delay is an over the counter OTC human drug product made in the USA with an FDA approved indication to treat premature ejaculation and slow the onset of orgasm. Using active ingredient Lidocaine, Dynamo Delay provides a topical numbing sensation with a higher concentration that requires less product to provide the same effects. Each bottle of Dynamo Delay contains 50% more product with twice the number of sprays, all at half the cost per spray than the market leading competition giving you a superior product with the best value. Dynamo Delay helps couples enjoy longer lasting sex with a clinically tested fast-acting formula that safely, effectively and temporarily prolongs the time until ejaculation with 13% Lidocaine USP at a 35% stronger concentration.