Applicable users: For women to masturbate and relieve sexual desire; for couples to use in foreplay, stimulate each other and enhance excitement. Material: Silicone outer layer + ABS inner core. Size: 6.5 x 1.8 | 2.5 x 5 | 3 x 6.5 (cm) Weight: 90 grams. Color: Pink Vibration: 10 frequencies Licking function: Yes Battery: Insert the USB port into a power source for direct use. Waterproof performance: Excellent. Noise level: Below 70db, very quiet, no noise.