Main material: medical grade silicone + bullet vibrator
Battery capacity: lithium battery 3.7V/420mAh
Size: Vibrating egg: 109mm*37mm
Vibration frequency: nine vibration modes
Charging time: 1.5 hours
Working time: 1-2.5 hours
Charging mode: USB charging
Maximum noise: <40 decibels
Charging time: 1.5 hours
Use time: 1-2.5 hours
Waterproof performance: IPX7