Designed by women for women, this Vibrating Pen courtesy of the Berman Center series of Intimate Accessories. The pen with it's high grade Silicone tickler sleeve and vibrating nodes not only provides maximum pleasure, but it writes as well! Keep in the purse while traveling or for relief of writer's block, among other things. The Lina is a powerful yet quiet vibrator providing discreet stimulation and functionality all in one toy. Great for stimulation alone or during foreplay, the vibrator can be used for clitoral and labia attention or penetration with the sleeve. Requires 4 button cell batteries which are included.