iroha SVR Ring Periwinkle

PRODUCT SPECIFICATIONSSize (D × W × H inches): 0.63 × 1.5 × 3.54Weight (lbs): 0.055Vibration Modes: 5 Vibration Strengths & 2 Rhythm ModesRunning Time: Approx. 60min (Full Power)Charging Time: Approx. 60min (5V 1A)Waterproof up to 19.6"USB RechargeableMaterials: Silicone, ABS, Li-ion Polymer Battery