Features: 1. [High Fidelity Capacitor Head] Adopts enlarged high sensitivity capacitor head, wider frequency response. 2. [Metal non-slip clip] metal clip, with non-slip wear-resistant silicone head, strong and durable, casual use will not be broken 3. [High Toughness Hose] High toughness hose, 360° unrestricted by the angle to give you a suitable pickup angle 4. [Long-distance reception] 50 meters stable transmission, independent frequency band, good anti-interference performance, long-distance transmission signal stability, sound bright and clear sound quality 5.[Suitable for all kinds of musical instruments]Suitable for saxophone/ euphonium/ trumpet/ trombone tenor horn/ horn and other instruments. Specification: Sensitivity: -46DB Frequency range: 100HZ-20KHZ Frequency Response: 20HZ-17.5KH Charging voltage: DC 5V500MA Charging time: 2-3h Use time: 8-10h Effective distance: about 20m Packing includes: 1 x Instrument Microphone 1 x Receiver 1 x Data Cable 1 x 3.5mm Adapter 1 x Storage Bagand 2 x Sponge Cover or Packing includes: 2 x Instrument Microphone 1 x Receiver 1 x Data Cable 1 x 3.5mm Adapter 1 x Storage Bagand 2 x Sponge Cover Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.