Specification Colour: White Powered By: 9-volt battery (not included) Size: 88*60*22mm Design: Built-in microphone and speaker Mode: 8 Features Volume with power on/off Mic: Speak input piece LED: Power indicator (faded red means low battery, no light means no battery) Pitch adjuster (8 selections: 3 high, 3 low, one normal, 1 ET) Package included 1 x Handheld Voice Changer 1 x Manual Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. Detailed information about the product, including its features and specifications, is provided in the title and description. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please . We are here to help and will do our best to assist you.