Features: Tune BT wireless microphone and speaker combo work at the same time. Better Audio Processor Three-layer automatic noise reduction design restore real sound karaoke level experience. Plug and Support TF function plug and with power off playback. Professional Button Multi-function adjustment panel rich and varied functions. Wide Compatiblity Compatible with many devices and app suitable for Windows//IOS/Android. Specification: Item type: BT Wireless Microphone Color: Black rose gold gold rose red(Optional) Product material: ABS material + aluminum alloy Pickup: Capacitive Output power: 10mw headphone output 5w speaker output Comfortable charging: DC5V Frequency : 100mhz-10000mhz Maximum sound pressure level: >115db 1khz THD<1% Reverb mode: echo is active reverb Power supply: built-in 18650 battery Battery capacity: 1800mAh BT version: BT 4.1 stable transmission low power consumption Item size:23*5*5 cm / 9.06*1.97*1.97 in(L * W * H) Item weight: Approx.358g /12.63oz Package size:25*8.5*8 cm / 9.84*3.35*3.15 in(L * W * H) Package weight:377g /13.3oz Packing list: 1 * Microphone 1 * Charging Cable 1 * User Manual