The 2nd Generation Model 3 Wireless In-Ear Monitors use professionally tuned super-wideband microdynamic drivers that deliver warm, rich, authentic High-Resolution Audio over a wireless connection. Hi-fi truly breaks free of wires with Model 3 Wireless. Model 3 Wireless 2nd Gen In-Ear Monitors use professionally tuned super-wideband microdynamic drivers that deliver warm, rich, true Hi-Res audio over a wireless connection. Hi-fi truly breaks free of wires with the Model 3 Wireless..PZA MORE SPECS