Professional adjustment buttons Treble / Bass / Volume / Father / Reverb can be adjusted by the microphone • Bluetooth wireless microphone and speakers, two-in-one, no additional connection to work independently • The microphone head has three noise reduction processing, more effective highlight your beautiful voice • 1800mAh battery up to 6 hours of singing, enjoy the smart phone APP KTV karaoke effect • Compatibility, suitable for iOS and Android smart phones, iPad tablet PCs, Bluetooth and so on • 6 • Multi-purpose: Bluetooth speakers, karaoke singing, car audio, music recording, interviews, podcasts and so on • 7 • All the ideal singing voice applications can be used as Bluetooth speakers • Product parameters: 1 • Style: Handheld Wireless Microphone Amplifier Speaker 2 • Linking Method: Bluetooth 3 Applications: Karaoke microphone 4 • Model: telephone microphone karaoke ok 5 • Pickup: Capacitor 6 • Output power: 5w 7 • Frequency range: 100Hz 10khz 8 • Maximum sound pressure level: 115 dB 1khz 9 • Total harmonic distortion: up to 1% 10 • Reverb mode: Echo reverb 11 • Power: built-in lithium battery 12 • Battery capacity: 1800 mAh Disco light original bass resonator 5w1 1800mah dc5v play time 5 hours Can Support Bluetooth support Pendrive Support SD Card Support FM Radio • The microphone head has three noise reduction processing, more effective highlight your beautiful voice. • Bluetooth wireless microphone and speakers, two-in-one, no additional connection to work independently • 6 hours of singing, enjoy the smart phone APP karaoke effect • Package CWireless Microphone Karaoke,