The VocoPro GIGSTAR PRO II 100W Professional Vocal Jam-Along System Package features a GIGSTAR Professional Vocal Jam-Along System with built-in digital tuner, a VHF-300 Dual Channel VHF Wireless Microphone System and a Protective BAG-34. When you combine these three items, you get a 100W mobile karaoke and sing-along unit. Plus, with a wireless microphone system, you won’t have to worry about tripping over cables while you sing along with your favorite songs.