Simple yet powerful vibrating ring for couple use Enhance the sensations of partnered pleasure, for the ultimate addition to your sex life. HOW TO USE SVR: Place on shaft to share the pleasure! Give your fingers an extra boost in sensations! Compact and light at only 3.5" & 0.8oz 5 Vibration Strengths & 2 Rhythm Modes Waterproof up to 19.6" Body-safe Silicone with Durable stretchiness Ring Diameter 31mm at rest. Size (H × W × D): 0.63 in × 1.5 in × 3.54 in Packaged Size (H × W × D): 4.02 in × 4.02 in × 1.18 in Materials: Body: Body-Safe Silicone, ABS, Travel Case: PP, USB Cable: PVC Vibration modes: 5 Vibration Strengths & 2 Rhythm Modes Battery type: Li-ion Polymer Battery (Li-Poly) Charging Cable: USB-A Charging time: 60 minutes Running time: 60 minutes Included: Product, Travel Case, USB Cable