This is something extra for men.   Yes, it does have a vibrator built in with a powerful motor but the suction and constricting are key features that generate a unique sensation that makes it more automatic blowjob machine.

All-in-One, Male Masturbator

Men finally have options for sex toys and some are effective and affordable!  Like this best value Men's Masturbation Sleeve at Voila that squeezes your penis as you stroke up and down.  The super soft interior is designed for exceptional pleasure Super with rubbing and texture on the inside to imitate sensations from a blowjob in one compact sex toy.

1. ultra-soft interior texture for unique sensation
2. powerful combinations of suction and vibration
3. waterproof and easy to clean
4. quick USB magnetic charger