This mini noise maker is an ideal prank toy, equipped with 7 different sounds, small and portable, easy to hide, suitable for pranks at parties, homes, schools, and offices. Features: Mini design: Small and portable, easy to hide. 7 sounds: Built-in 7 different sounds to meet various prank needs. Easy to operate: Simple ON/OFF switch and SET button for easy sound switching. High-quality speaker: The sound is loud, clear, and real. Battery-powered: Uses CR2032 3V 210mAh battery, strong endurance. Suitable for multiple occasions: Suitable for pranks at parties, homes, schools, and offices. Specifications: Material: Plastic Color: Black Battery: CR2032 3V 210mAh Size: 4.6*2.3*1.0cm / 1.8*0.9*0.4in Weight: 10g / 0.35oz Package Size: 7.1*6.2*1.5cm / 2.8*2.4*0.6in Package Weight: 30g / 1.06oz Package list: 2* Mini noise maker