Iroha Plus Kushi Vibrator from Tenga. The Iroha Plus features more defined edges, so you can enjoy an accentuated, stronger stimulation. Now covered with silicone that is even softer and gentler on the skin, the Iroha Plus features an anti-dust silicone coating, which protects the item from picking up dust and lint, allowing you to enjoy with peace of mind. Housing a stronger motor than the originals, with 5 vibration strengths and 2 rhythmic patterns to enjoy, these pleasure items still operate with the simple two-button control system. With its new waterproof design, you can use Iroha Plus in water and, of course, easily wash the entire item. Kushi is adorned with multiple ribs for dynamic sensations. Size 4.02 inches in depth by 1.97 inches in width by 1.57 inches in height. Bulk weight 0.19 pound. Vibration settings: 5 speeds, 2 patterns. Materials product body safe Silicone, Button Pad ABS plastic, Lithium ion Polymer Battery Li-Poly. Other specifications: USB Rechargeable. Running time approximately 60 minutes full power. Charging time approximately 120 minutes. Waterproof vibrations up to 20 inches. Video.