Tygot Wireless WS-858 Bluetooth Microphone Recording Condenser Handheld Microphone Stand With Bluetooth Speaker Audio Recording For Cellphone Karaoke Mike (Color May Vary) Premium Quality Wireless Bluetooth WS-858 microphone mic recording condenser handheld microphone stand with speaker for cellphone karaoke best for holiday festival journey wireless karaoke supply power: hold button to start the product. wireless connection: enable the wireless of mobile phone, click to connect, successful connection if prompt tone is produced.adjust sound: adjust the sound volume of mike and the reverberation to suitable level.start karaoke. This is the latest in portable music entertainment as it will let you play music direct from your Smartphone or other Bluetooth enabled Device. Colour May Vary