They are 2 types in the list. Powered by 2 AAA batteries and a rechargeable internal battery. The battery version is 10 frequency, and the charging version is 30 frequency. Please double check the type before ordering. Thanks Q: Is the delivery confidential? A: Yes, we will protect the privacy of our customers and packages aresent confidentially. Q:Can I change the order address? A:Yes,you leave a message with the correct address to thecustomer service,and the customer service will modify itfor you the next day. Q: Where can we get a charger for this item? A: if you lost your charging cord and wanna a replacement, just contact us! Q: What should I do if I can't charge it A:First, check whether the charger is correctly inserted into the vibrator, and then check whether the socket is powered on. If there is any problem, Please contact us Q: It will be shipped in a discreete package? A:Yes. It's an anonymous package. It's all delivered in bubble bags