Desc: TOKYO Mr. B Cock Ring is a new and exciting way to experience pleasure. The unique design was created to massage the perineum by stimulating with gentle pressure and vibrations. The perineum is an erogenous zone between the scrotum and anus that responds to both pressure and vibration. Wear B8 on your own or try it during sex, so your partner can enjoy the rumbly vibrations, too. * Softy Food-Grade Silicone * 6 Kinds Vibration Modes * Whisper Mode * Rechargeable Lithium Battery: 140mAh * Battery Charging Time: 45mins * Usage Time: 70mins