Echo Vibrating Midnight Purple from Tantus Silicone. Echo's phallic head is multiplied all the way down the shaft, for constant G-Spot pleasure or to resist against, using the protrusions to exercise your PC muscles. Vibrator: single speed removable waterproof Bullet Vibrator uses 1 1.5 N Volt Type Battery. Safe for your body. Made from Tantus own unique formula of 100% Ultra Premium Silicone. Easy to clean. Eco-friendly, hypoallergenic, hygienic. Boilable, bleachable and dishwasher safe top rack. Diameter 1.55 inches. Total length 7 inches. Insertable length 6.5 inches.