Doctor Love Zinger Dual Vibrating Sleeve Blue. The Zinger by Doctor Love is a vibrating pleasure cage designed to heighten pleasure for both you and your partner. The super slim micro vibrator sends out 11,000 vibrations per minute providing internal excitement and stimulation. The Zinger is comfortable, easy to operate and clean. It is Doctor Love's prescription for enhanced pleasure! Blue. Size 3 inches in height by 2.25 inches in width.