1、New karaoke experience, wireless connection, sing as you like, pickup is upgraded, the human voice is clear without distortion and no whistling. 2、High‑quality internal magnetic dual speakers, bi‑amp with diaphragm, to ensure a strong and more pleasant music experience. 3、Built‑in high‑capacity 2000mah battery, sustainable karaoke, get rid of the trouble of power supply, sing as you want. 4、Built‑in monitoring chip, you can sing and listen, perform a diversified music experience, and enjoy a different singing. 5、Built‑in equalizer, coordination of high and low treble singing easily, deep bass singing, real treble assistance, bass coordination. 1 x Microphone1 x 3.5MM Cable1 x USB Charging Cable1 x Manual Item Type: Bluetooth MicrophoneMaterial: ABS+Aluminum AlloyColor: As Picture ShownWeight: Approx. 500.0g/ 17.6ozPickup: CapacitiveReverberation Mode: Reverb Sound Effect ReverberationMemory Card Playback Format: MP3, WMA, WAVTransmission Distance: ≤10 meters (Obstacle-Free Distance)Working Frequency: 2.402G- 2.480GHzTransmit Power: 4dBReceiving Sensitivity: -85dBSignal to Noise Ratio: ≥80dBDistortion Degree: ≤3%Frequency Response Range: 100Hz-18KHzCharging Power Supply: 5V/1ACharging Time: 3 hoursPlaying Time: 3-5 hoursBattery Capacity: Li-ion Battery 2000mA/ 3.7VAudio Input: Bluetooth, Memory Card, Line in