Item Type: Dog ButtonsMaterial: ABSSpecification: 3PcsColor: Purple, Dark Blue, Pink PurpleBattery Type: Each Button Requires 2 x AAA Batteries (Battery Not Included)Application: for Recording Sound to Facilitate Communication with Pets .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Voice Recording: Customizable recording button to record the sound you want, recording time up to 30 seconds. 2Easy Operation: These dog talking buttons are easy to use and set, just press the REC button to record your voice and then press the top button to play the recorded sound. 3Pet Training: These dog training buttons can be used to record specific words or phrases, such as drink, play, eat, etc. Show your dog how it works and your pet will learn how to use the button to express its needs with you. 4Durable Material: These dog talking buttons adopt premium ABS material, which is safe, durable and portable. Each recording button requires 2 AAA batteries (not included in the package). 5Wide Application: These dog buttons can be used to record sounds to facilitate communication with your pet, as well as for children's learning, party games, Christmas gifts and more.