Item Type: Bluetooth Microphone Material: ABS+Aluminum Alloy Color: As Picture Shown Weight: Approx. 500.0g/17.6oz Pickup: Capacitive Reverberation Mode: Reverb Sound Effect Reverberation Memory Card Playback Format: MP3, WMA, WAV Transmission Distance: 10 meters (Obstacle-Free Distance) Working Frequency: 2.402G-2.480GHz Transmit Power: 4dB Receiving Sensitivity: -85dB Signal to Noise Ratio: 80dB Distortion Degree: 3% Frequency Response Range: 100Hz-18KHz Charging Power Supply: 5V/1A Charging Time: 3 hours Playing Time: 3-5 hours Battery Capacity: Li-ion Battery 2000mA/3.7V Audio Input: Bluetooth, Memory Card, Line in Package List 1 x Microphone 1 x 3.5MM Cable 1 x USB Charging Cable 1 x Manual Enjoy a new karaoke experience with wireless connectivity, allowing you to sing freely. Upgraded pickup ensures clear vocal reproduction without distortion or whistling. Features high-quality internal magnetic dual speakers with bi-amp diaphragm design for a powerful and enjoyable audio performance. Built-in 2000mAh high-capacity battery supports extended singing sessions, eliminating the need for constant power supply. Integrated monitoring chip allows real-time voice monitoring for an enhanced singing experience. Equipped with a built-in equalizer that balances high and low frequencies, delivering rich bass and clear treble for professional-quality sound.