Feature: 1. Upgraded HD Microphone Core: Features a HiFi level speaker for clearer sound pickup, reducing feedback and making live streaming or singing more effortless. 2. Powerful Speaker: The 57mm full range large diameter speaker with a acoustic structure delivers a stunning sound experience, reproducing sound and providing a HiFi surround sound experience. 3. Microphone and BT Speaker: This device functions as both a microphone and a BT speaker. With a simple one button start, you can connect and start singing, or play music. 4. Mobile Karaoke: Supports mobile karaoke, allowing you to sing wherever you go. Simply connect to your phone via BT and start singing anytime, anywhere. 5. Portable and Convenient: The compact and mini design makes it easy to carry, whether in your car, suitcase, or bag. Whether you're at home or traveling, you can sing whenever you want. Specification: Specifications: Microphone: Pickup: back-pole condenser microphone Working voltage: 3.7V Frequency range: 100HZ~10KHZ Battery specification: 1200mAh Power adapter: DC5V≤1000MA (can be used with cell phone charger) Speaker : BT version:5.0 version Speaker Diameter: 57mm Speaker power: 6W Operating voltage: 3.7V Frequency Range: 100HZ~10KHZ Reverberation: sound effect reverb Power adapter: DC5V≤1A (can be used with cell phone charger) Battery specification: 2000mAH Charging time: about 2.5 hours Microphone size: 135*40mm Speaker size: 85*75*65mm Package size: 10*8*7cm Package weight: 550g . Package List: 2 * Microphone 1 * Speaker