Maxxlite WS-858 Bluetooth Karaoke Wireless Microphone Recording Condenser with Stand and Audio Recording Bluetooth Speaker for Karaoke Mic with Speaker & Radio 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 o Supply power: hold button to start the product. o Wireless connection: enable the Wireless of mobile phone, click to connect, successful connection if prompt tone is produced. o Adjust sound: adjust the sound volume of mike and the reverberation to suitable level. o Start karaoke. Recording with mobile phone o Connect the recording wire: insert the MICRO plug of the recording wire into the MICRO interface of karaoke treasure, and the 3.5mm interface info the earphone jack of the mobile phone. Specification : 1. Output Power: 5W. 2. Frequency Range: 100Hz~10 KHz. 3.Max Sound Pressure Level: >115db 1 KHz TDH <1%. 4. Reverberation Mode: Sound effect reverberation. 5. Power Supply: Built-in 18650 Li-battery. 6. Charging Power: DC 5V. 7. Color: Multi Color's. 8. Size: 20 x 7 x 7cm.