Features:_x000D_-Professional adjustment buttons Treble Bass. Volume Father Reverb can be adjusted by the microphone._x000D_-Bluetooth wireless microphone and speakers, two-in-one, no additional connection to work independently._x000D_-The microphone head has three noise reduction processing, more effective highlight your beautiful voice._x000D_-Bluetooth 4.0 connectivity, able to be paired with Bluetooth enabled devices_x000D_-Excellent sound quality with echo-reverberation effect_x000D_-All the applications of ideal singing to speech sound can be used as a bluetooth speakers._x000D_ _x000D_Noise Cancellation_x000D_-1200mAh battery up to 4hours of singing, enjoy the smart phone APP KTV karaoke effect._x000D_-Compatibility, suitable for iOS and Android smart phones, iPad tablet PCs, Bluetooth and so on._x000D_-Multi-purpose: Bluetooth speakers, karaoke singing, car audio, music recording, interviews, podcasts and so on._x000D_-All the ideal singing voice applications can be used as Bluetooth speakers._x000D_-This mic can record songs into your phone and share them to your friends._x000D_-Metal shell protective and super-bass loss-less sound create a high-quality listening experience._x000D_-Distortion is less than 0.5 percent, reduce the loss of sound quality effectively._x000D_Fashion outdoor bag design, it can be hung on the bike or taken by hands, let you enjoy music all the way._x000D_Product Parameter:_x000D_-Style: Handheld Wireless Microphone Amplifier Speaker_x000D_-Linking Method: Bluetooth 4_x000D_-Applications: Karaoke microphone_x000D_-Model: telephone microphone karaoke ok_x000D_-Pickup: Capacitor_x000D_-Output power: 5w_x000D_-Frequency range: 100Hz 10khz_x000D_-Maximum sound pressure level: 115 dB 1khz_x000D_-Total harmonic distortion: less than 1%_x000D_-Reverb mode: Echo-reverb_x000D_-Power: built-in lithium battery_x000D_-Battery capacity: 1200 mAh Package Included:_x000D_1x Microphone_x000D_1x USB Cable_x000D_1x User Manual