Compatibility across devices: This wireless lavalier microphone works with cameras, phones, laptops, and computers, providing flexible options for different recording setups. Extended transmission range: Enjoy a wireless range of up to 30 meters, allowing you to move while recording without being tethered. Clear audio quality: Digital sampling at 16 bit 16 kHz and a frequency response of 100 Hz to 15 kHz deliver clear audio suitable for video work and interviews. Power efficiency: Builtin rechargeable battery of 7V offers longer use with low power consumption, helping you stay focused on content creation without frequent interruptions. Use scenario 1: Onlocation interviews or documentary shoots using a camera or smartphone, with the freedom to position the mic up to 30 meters away from the subject. Use scenario 2: Vlogging or livestreaming with a laptop or phone, enabling natural movement and hands operation. Use scenario 3: Classrooms, training sessions, or corporate events where clear audio is needed from a distance while recording to a camera or computer.