Plug and Play, No APP Required: The innovative lavalier microphone is different from other microphones, including transmitter and receiver, they connect automatically, so no APP and bluetooth are required. Just plug the transmitter into the device (USB C port) and play directly. Real-time crystal voice synchronization without any delay: Adopt real-time automatic synchronization technology, which greatly reduces video post-editing. Supports multi-channel real-time mixing, and can synchronize mobile phone background music and vocals in real time. Live on Youtube/Facebook: Use microphone directly when playing Youtube or Facebook live, regular bluetooth mini size Portable and Durable: The wireless lavalier microphone provides more than 6 hours of continuous use when fully charged.