Bluetooth Wireless Microphone WS-858 Handheld Karaoke Mic

Product material: abs material + aluminum alloy product color: gold, purple, blue, black, silver, rose gold product size: height 250mm speaker 70*70*65mm (approx.) weight: 400g (approx.) pickup: capacitive output power: 10mw headphone output 5w speaker output comfortable charging: dc5v frequency range: 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 bluetooth version: bluetooth 4.1, stable transmission, low power consumption