HD-HYNUDAL Online Karaoke Singing Machine Mixer Reverb HDMI for Phone DVD Laptop TV PC with 1 Dynamic Mic Stylish appearance, solid and reliable YAMAHA chipset, perfect sound quality, pure tone Support PC/DVD/MID/Mobile phone and other audio input porthaving a wide use. Distortion1.8%MAX.Frequency response40Hz---16KHz Support HDMI Input&Output,with headphones listening function