Item Type: Children MicrophoneMaterial: PlasticBattery: Lithium battery 5V 1800 mAh (shipped with built in battery)Frequency Range: 100Hz to 10KHzReverb Mode: Sound effect reverberationPlayback Time: 4HCharging Duration: 3HHorn Output: External magnetic horn .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; } 1Excellent Performance: High power full magnetic horn and large cavity design release good sound quality. High fidelity shielding design is adopted to ensure smoothly transmission, full sound quality and wide frequency band. 2Anti Interference: This microphone has a stable signal and no delay, so you can get rid of the interference of cables. 3Plastic Material: Made of premium plastic material, the microphone are strong and sturdy, ensuring a long life span. 4Applicable Scenarios: This microphone is applicable to concerts, radio, home, parties, etc. Use it to create a lively air! 5Gifts for People: This delicate microphone is an ideal gift for singing lovers, friends, classmates, and other mates.