Product Description : Elevate any occasion with our all-in-one karaoke microphone toy, designed to bring joy to children aged 3 to 12, as well as make fun moments for adults. Featuring a multi-use design, it serves as a microphone, karaoke machine, speaker, voice changer, and recorder, ensuring non-stop entertainment. Immerse yourself in crystal clear sound quality, boasting deep bass and 3D surround stereo; you will feel like you are in a live concert. Equipped with a built-in high-definition mic, the vocal remains crystal clear even if there's a lot of background noise. Large rechargeable battery provides up to 10 hours of continuous playtime (depending on the max volume) and support for MP3 and WAV music formats via TF card(up to 32GB not included). Enjoy Bluetooth 5.0 wireless connection with a range of up to 50 Ft (depending on the environment), offering unparalleled visibility for indoor and outdoor use. Microphone Specifications: Color- BlueOperating voltage: 3.7VMaximum output power: 5WBattery: Non-removal RechargeableTF support format music format: MP3 WAVTF card maximum capacity: 32GB (Not included)Frequency range: 150Hz-20KHzSignal-to-noise ratio: ≥85dBMaximum sound pressure level: > 115db 1kHz THD Package information: 1x Bluetooth Karaoke Microphone