Features: 1. Sound Machine: The new speaker function adds more bass and volume, producing realistic sound effects. With this device, you can surprise your friends at the right moment. Hide the speaker and press the remote control discreetly. 2. Multifunctional Toy: If you want to play a harmless prank, this device offers great fun and is perfect for adding humor to any situation. A tricky and entertaining must-have. 3. Suitable Occasions: Ideal for birthday parties, April Fool's Day, Valentine's Day, Christmas, Halloween, and other celebrations. Makes a great gift for kids and families during holidays or special events. 4. Realistic Effect: The remote control sound box simulates funny sound effects, making it a perfect prank toy for parties and gatherings. 5. Suitable For Adults And Children: Designed for children aged 9 - 15 and all adults (for reference only), the sound box is powered by 4 AA batteries (not included). Dimensions: 12 x 11 x 4.2cm. Specification: Material: Plastic Product Color: Black Package Size: 25 x 17.5 x 6cm Package Weight: 165g Battery: Fart Machine: 4 x AA Battery (Not Included), Remote Control: Button Battery (Included) Package Included: 4 x Sound Machine 1 x Remote Control