UNIVERSAL COMPATIBILITY: 3.5mm TRRS 4-Pole connector jack for Apple iOS iPhone iPad iPod Samsung Touch Android Smartphones and Tablets. NO BATTERIES REQUIRED: Set includes deluxe carrying case, 4 foam windscreens to eliminate wind noise, and 4 lapel clips for attaching mics to your shirt. 1-YEAR WARRANTY: We’ve got your back. Our products are designed to ease your technical woes, not add to them. Our friendly US-Based support is here to help. PERFECT PODCAST MIC KIT: Attach the external microphones to your cell phone and use it's video camera for vlogs, podcast, and 2 person podcast equipment. 2 LAV MICS: Primary lavalier mic with extra long 8' (2.5m) cable with secondary removable "Interviewee" mic with 4.9' (1.5m) cable 3.5mm headphone monitoring jack (Requires app with headphone monitoring support).