Silicone balls for condoms are a great sexual enhancement aid that can provide different sensations while increasing a man's length. This condom ball features 9 vibration modes to help stimulate the G-spot as well as for more intense training. Women can also use this lovely ball alone for nipple and clitoral stimulation. Primary Material Medical Grade Silicone + ABS Color Rose Purple Flesh Battery Capacity Lithium Ion Battery 3.7V/50mAh Weight 23.8g Size 39mm*35mm*35mm Vibration Frequency 1*9 Vibration Mode Charging time 30 minutes Working time 35-60 minutes Charging Mode USB Charging Maximum noise <50dB Waterproof IPX7