for more info call viber 9848114005 or visit our website www.tiinnnepal.com or visit our facebook page : www.facebook.com/TiinnNep.Com.np Cash on delivdry : Kathmandu valley , BIratnagar , Pokhara , Nepalgunj , Butwol , Damak 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. 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. With TF Card U disk interface.