Easy setup, user-friendly, compact battery-powered wireless lavalier microphone system Transmits quality audio seamlessly to the receiver, which simply plugs into your PA system, speaker, computer, or smartphone Powered by long-lasting internal lithium batteries boasting 6 hours battery life per charge Compact lightweight design provides comfort for extended periods of use A 50 ft. operating range allows for maximum mobility while staying connected Great for broadcast interviews, YouTube videos, Facebook Live presentations, wedding videos, office professionals, and more. In todays cyber world, we use our smartphones for everything; gaming, social media, news updates, shopping, pictures, and video. Getting rich, clear, articulate audio while recording video can be especially difficult when standing away from the microphone. The Galaxy Trek wireless lavalier microphone system transmits seamlessly to the Trek wireless receiver, which simply plugs into the 3.5mm headphone jack of your smartphone, delivering quality audio to your video recording. The Galaxy Trek Portable Wireless Lavalier microphone will also plug directly into most powered speaker inputs (1/8" & 1/4"). This conveniently adds a wireless microphone to any powered speakers you may already have. The Galaxy Trek portable lavalier microphone system is powered by long-lasting internal lithium batteries located in both the transmitter and receiver. Charging is quick and easy with the included micro USB cable. The system also includes two adapter cables for both Android and Apple iOS smart devices. The Galaxy Trek microphone headset system delivers quality wireless audio to numerous on the go applications. Aerobics instructors, teachers, videographers, live streamers, presenters, auctioneers, YouTubers, podcasters, among many others will find this convenience a plus; 2.4GHz Wireless Transmission; Compact Light-Weight Design; Full Range Microphone; Easy Set Up; 50 ft Operating Range; 6 Hours Battery Life