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 microphoneWorking voltage: 3.7VFrequency range: 100HZ~10KHZBattery specification: 1200mAhPower adapter: DC5V1000MA (can be used with cell phone charger)Speaker:BT version:5.0 versionSpeaker Diameter: 57mmSpeaker power: 6WOperating voltage: 3.7VFrequency Range: 100HZ~10KHZReverberation: sound effect reverbPower adapter: DC5V1A (can be used with cell phone charger)Battery specification: 2000mAHCharging time: about 2.5 hoursMicrophone size: 135*40mmSpeaker size: 85*75*65mmPackage size: 10*8*7cmPackage weight: 550g.Package List:2 * Microphone 1 * Speaker