The best recorder for both indoor and outdoor production is the Green Lion Wireless Microphone. This wireless microphone is compatible with smartphones and has a Type-C connector. To be clear, it can be connected to any smartphone via the Type-C connector. The mute button and the cool beep are two great features that will alert you when someone speaks softly into the microphone. The wireless connection allows you to carry the microphone around with greater freedom because you are no longer connected to a wire. Qualities Simple Plug-and-Play Wireless Voice Recording with Auto Pairing Device compatibility: Smartphone Type of connector: Type-C Duration of Play: 36 Hours 64DBM is used to reduce noise. Battery-powered power source