/Features: 1. It is both a speaker and a karaoke speaker. The speaker can be used independently and the microphone can be turned on to karaoke. 2. Convenient and simple connection , no need for complicated connections to start singing in the living room at any time 3. Dual-mic singing of happy karaoke . A mobile phone and two microphones can easily realize the double-mic singing function. 4. Intelligent monitoring and real-time in-ear monitoring. Plug in the headphones and monitor in real-time. You can practice singing freely anytime and anywhere without disturbing your neighbors. 5. DSP noise reduction chip KTV-level sound effects restore the authenticity of the sound, and the clear pickup sound is louder and fuller Specifications: color: Black Frequency response range: 120HZ-20KHZ Signal-to-noise ratio: 90dB Cabinet material: plastic Power source: lithium battery Bluetooth version: 5.3 Rated voltage: 5V1A Additional functions: plug-in card Package Contents: 1 x speaker 1 x data cable 1 x English instruction manual 2 x Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.