1、With Microphone: This portable Bluetooth speaker can be used as both a speaker and karaoke machine. The speaker can be used independently, and the microphone can be turned on for karaoke. 2、Wireless Home Karaoke: Required TV with Bluetooth function, or use the Bluetooth connector to start the family Karaoke mode, sing anytime, anywhere, without complex connection. 3、Multiple Modes: Built in Bluetooth, memory card slot, headset monitoring, Type c charging and other functions; Upgraded Bluetooth technology, fast connection within 10 meters, brings lossless stable sound quality. 4、Support Headphone Monitoring: Plug in headphone, can achieve intelligent headphone monitoring, which is convenient for you to freely practice songs anytime and anywhere, will not disturb the neighbor. 5、Colorful RGB Light: With 6 magic LED light beads, karaoke machine has 5 kinds of RGB light effect, adding ambient to music and creating an immersive karaoke experience. Item Type: Mini Karaoke Machine Material: ABS+Aluminum Alloy Charging Port: Type C Speaker Unit: 1 57 High Speaker + 1 Bass Diaphragm Dual Unit Bluetooth Version: 5.3 Frequency Range: 20Hz-20Khz Maximum Sound Pressure Level: >115dB 1KHZ THD<1% Reverb Mode: Aftersound Reverb Sound Effect Receiving Distance: 10 meters and above Playback Mode: Bluetooth/Memory Card/Headphone Mode Expandable Storage: 32GB Memory Card (not included) Signal to Noise Ratio: 60db Sensitivity: ≤-90db Speaker Battery Type: Lithium Polymer Battery 1200mAh (with built-in battery) Microphone Battery Type: Lithium Polymer Battery 400mAh (with built-in battery) 1 x Speaker 1 x Microphone 1 x Charging Cable 1 x User Manual