Noise Cancellation -1800mAh battery up to 6 hours of singing, enjoy the smart phone APP KTV karaoke effect. -Compatibility, suitable for iOS and Android smart phones, compatible with iPad tablet PCs, Bluetooth and so on. -Multi-purpose: Bluetooth speakers, karaoke singing, car audio, music recording, interviews, podcasts and so on. -All the ideal singing voice applications can be used as Bluetooth speakers. -This mic can record songs into your phone and share them to your friends. -Metal shell protective and super-bass loss-less sound create a high-quality listening experience. -Distortion is less than 0.5 percent, reduce the loss of sound quality effectively. Fashion outdoor bag design, it can be hung on the bike or taken by hands, let you enjoy music all the way. Product Parameter: -Style: Handheld Wireless Microphone Amplifier Speaker -Linking Method: Bluetooth 4 -Applications: Karaoke microphone -Model: telephone microphone karaoke ok -Pickup: Capacitor -Output power: 5w -Frequency range: 100Hz 10khz -Maximum sound pressure level: 115 dB 1khz -Total harmonic distortion: less than 1% -Reverb mode: Echo-reverb -Power: built-in lithium battery -Battery capacity: 1800 mAh -Material: Aluminium + ABS Package Included: 1x Microphone 1x USB Cable 1x Micro USB to Audio Cable 1x User Manual 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 Bluetooth 4.0 connectivity, able to be paired with Bluetooth enabled devices Excellent sound quality with echo-reverberation effect