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 1New karaoke experience, wireless connection, sing as you like, pickup is upgraded, the human voice is clear without distortion and no whistling. 2Highquality internal magnetic dual speakers, biamp with diaphragm, to ensure a strong and more pleasant music experience. 3Builtin highcapacity 2000mah battery, sustainable karaoke, get rid of the trouble of power supply, sing as you want. 4Builtin monitoring chip, you can sing and listen, perform a diversified music experience, and enjoy a different singing. 5Builtin equalizer, coordination of high and low treble singing easily, deep bass singing, real treble assistance, bass coordination.