From Maia Toys Sera Clitoral Lay On Bullet Vibrator Pink. USB Rechargeable and ergonomically shaped, Sera is lay on vibrator for mild to intense clitoral stimulation. Sera features multiple textures please from every angle with 10 functions of mild to intense stimulation. USB Rechargeable. 10 functions. Textured finish. 100% top medical grade Silicone. Waterproof vibrations. Color Pastel Pink. Size 4 inches by 2 inches at the bottom of the vibrator. 1 year warranty. 19.