Feature 1Full Magnetic Speaker: Our children's wireless microphone uses a high power full magnetic speaker and a large cavity design to release excellent sound quality. 2High Fidelity Shielding: The children's Bluetooth microphone is designed with high fidelity shielding to ensure fluent transmission, full sound quality and a large frequency band range. 3No Delay: This Bluetooth compatible microphone has a stable signal and no delay, allowing you to get rid of the interference of cables. 4ABS Plastic: This wireless microphone is made of ABS plastic material with excellent craftsmanship and is suitable for performances, concerts, broadcasts, etc. 5Interesting Gift: Our wireless microphone is cute looking and makes a fun gift for kids, of course this microphone can be used by adults as well.Item Type: MicrophoneMaterial: ABS PlasticBattery: Lithium battery 5V 1800mAh (shipping with internal battery)Frequency Range: 100Hz-10KHzReverb Mode: Reverberation with echoing sound effectPlayback Time: 4H Charging Time: 3HSpeaker Output: External magnetic speaker .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; }Package List1 x Microphone1 x Manual1 x USB Cable