Oversized USB rechargeable vibration, enjoy the best sexual experienceWaterproof design, do not worry about damage in use Specification:Material: Silicone+ABSFrequency type: 10Power: Built-in Battery, USB RechargableSize: 320*58*58 mm Note:The first charge, must be filled before useCleaning, please do not wash under the tap, you should use a wet towel to wipeDo not use silicone oil lubricants, it will corrode silicone products. If you need to use a lubricant, use water-soluble Package Included: (Secret package)1 x Vibrator1 x USB Cable