Low Power Design The device uses a low power design and energy-saving circuits to extend battery life, allowing longer use between charges without replacing the battery. High Sound Quality Delivers clear, high-definition sound. The headphone waveform distortion is less than 0.6%, enabling recording of detailed and accurate bird voices from a distance. Special Design Specifically built for bird watching and wildlife observation. Equipped with a powerful optical zoom finder with multiple magnifications, allowing you to visually track targets without an extra monocular telescope. Gift Ready A practical gift for nature lovers of all ages. Suitable for Christmas or Thanksgiving and designed for years of outdoor enjoyment. Usage scenarios 1) Field recordings during nature walks in forests, wetlands, or parks to capture distant bird songs. 2) Backyard birding to observe and document local species with clear audio. 3) On nature trips or group outings where you want to zoom in and track targets without additional optics.