Wireless Handheld Karaoke Microphone

Sing with your favorite music over bluetooth or FM radio.  Save the song to an SD card and listen to it again and again.  A wonderful way to encuorage your young musician. Bullet Points: 1.Intelligent noise reduction and intelligent mixing sound 2.Wireless connection for singing anytime and anywhere. 3.Built-in high-capacity lithium battery. Parameters: 1.Output power: 5W [frequency range] 100HZ~10KHZ 2.Maximum sound pressure level: >115DB1KHZTDH<1% 3.Reverb mode: sound effect reverb 4.Power supply: Built-in 18650 lithium battery 5.Battery capacity: 1800MAH 6.Charging Power Supply: DC-5V