Features High Fidelity Capacitor Audio Head Adopting an enlarged and highly sensitive capacitor audio head, resulting in a wider frequency response Metal anti slip clip Made of metal clip, equipped with anti slip and wear-resistant silicone head, sturdy and durable, easy to use without breaking High toughness hose High toughness hose can provide you with a suitable pickup angle of 360 ° without angle limitation Long distance reception 50 meter stable transmission, independent frequency band, good anti-interference performance, stable long-distance transmission signal, loud and clear sound quality Suitable for various musical instruments Suitable for instruments such as saxophone, alto horn, trumpet, trombone, alto horn, horn, etc Specifications Sensitivity: -46DB Frequency range: 100HZ-20KHZ Frequency response: 20Hz~17.5KH Charging voltage: DC 5V500MA Charging time: 2-3 hours Usage time: 8-10 hours Effective distance: approximately 50m Package Included 1* Instrument microphone 1* Receiver 1* Data cable 1* 3.5mm adapter 1* Storage bag 2* Sponge cover