Features 1、Professional wireless system receiver /u0026 transmitter with microphone special for Saxophone, as well as for other wind instrument if the clip size available. 2、Easy to fix on saxophone conveniently and firmly, protective rubber keeps your valuable sax from scratching. With a extra clamp for convenient use. 3、Reliable UHF (790-820MHz), high signal-to-noise ratio, stable signal transmit. Specification Features: Professional wireless system receiver & transmitter with microphone special for Saxophone, as well as for other wind instrument if the clip size available. Easy to fix on saxophone conveniently and firmly, protective rubber keeps your valuable sax from scratching. With a extra clamp for convenient use. Reliable UHF (790-820MHz), high signal-to-noise ratio, stable signal transmit. 6.35mm audio output plug, easy-to-read LCD display. Effective operating range up to 50m in open areas. Completed with configured 3.7V Li-ion batteries for the receiver, comes with adapter for charging. Perfect for stage performance, KTV, and home party use. Note: 1.Size and color may be slightly different because of manual measurement and different light conditions. 2.The manual is a universal version, with a nominal frequency range of 550-960MHz that manufacturers can produce. Our actual frequency range for this product is 790-820MHz (please check with the local government before purchasing if it supports the use of this frequency range). Thanks for understanding. Specifications: Material: Plastic+metal Suit for: Saxophone French Horn Trumpet Trumbone --Comprehensive Performance: Frequency Stabilization: <±30ppm Dynamic Range: >90dB Total Harmonic Distortion: <0.5% Frequency Response: 40Hz~15Hz±3dB Audio Output Level: 400mV --Receiver: S/N Ratio: >90dB Image&Spurious Rejection: >80dB Border Upon Channel Rejection: >80dB Receiving Sensitivity: >10dBu (Sinad=30dB) De-emphasis: 75uS Battery Life: Approx. 4.5h Size: 7.5 * 5 * 1.5cm / 3 * 2 * 0.6in --Transmitter: Power: 30mW Modulation Type: FM Deviation: 25KHz Spurious Emission: >40dB Battery Life: Approx. 3.5h Size: 8.5 * 3 * 2cm / 3.4 * 1.2 * 0.8in Package List: 1 * Receiver 1 * Transmitter 1 * 3.7V Battery 1 * Type-C Cable 1 * Clamp Mic 1 * Mic Sponge 1 * Clamp 1 * User Manual (English) Package List 1 * Receiver 1 * Transmitter 1 * 3.7V Battery 1 * Type-C Cable 1 * Clamp Mic 1 * Mic Sponge 1 * Clamp 1 * User Manual (English)