Creative Toys Of Black Technology Electronic Products $ 99.57 Product information: Color classification: colorful white and colorful black Output voltage: 3.7V Output power: 3W Input voltage: 5.0V Transmission distance: 10m Horn parameters: internal magnetism; 4 23W, 40MIN Signal to noise ratio:85dB Maximum output distortion rate: 0.5% Weight: 1.5KG Color: white/black Power supply: polymer 500mAh Material: plastic Packing list Toy * 1PCS