Tenga Delta Dual Angle Tip Black Vibrator. The Tenga Delta is a simple vibrator with a rotating joint with 2 different angles. Enjoy high power vibration with an easy to clean compact toy. Provides about 6 hours of pleasure. Strong vibrations, Vibrator requires 2 AAA batteries, included. Size 4.41 inches by .9 inch at the smallest area. Weight .16 pound. Made using ABS plastic.