Item Type: Portable Karaoke Machine Material: ABS Audio Battery: Lithium-ion battery 2000mAh (shipped with built-in battery) Microphone Battery: Lithium-ion battery 500mAh (shipped with built-in battery) Horn Power: 4 16W Frequency Response Range: 100Hz~20KHz Maximum Sound Pressure/distortion: >80dB 1Khz THD <1% Bluetooth Version: 5.0 Memory Card: TF Card (not included) Package List 1 x Speaker 1 x Microphone 1 x Charging Cable 1 x Instructions 1Portable Karaoke Speaker: Contains speaker and microphone, compact size, movable handle, easy to carry, suitable for home or travel, put it in the car, suitcase or bag. 2RGB Colorful Lights: Karaoke machine with LED colorful flashing lights ring, which creates a stylish and cool atmosphere for your home karaoke party. 3Wireless Connection: 5.0 Bluetooth technology achieves wireless connection between microphone and speaker, stable transmission without power constraints, easy to use. 4Long Standby Time: The built in large capacity battery can provide long term use without frequent charging, which is convenient for daily use and travel. 5Powerful Sound Quality: Premium speakers provide excellent sound quality performance, making music and sound more clear and realistic, creating three dimensional bass