Brand New Accompaniment Wireless Mic Receiver Studio Recording USB Charging. Clear sound quality — The condenser microphone core, so that the sound reproduction of the instrument can reach 99%, and the microphone has a shock-absorbing spring, which effectively reduce 98% key tone of the flute. Stable signal transmission — The signal transmission distance is 164ft (50m). Easy to use — Clamp the microphone directly on the mouth of the saxophone, plug the receiver into the MIC interface of the speaker, and then turn it on and use it. A total of 16 UHF channels can be selected, and 3-4 sets of microphone systems can be used at the same time without signal interference. High-capacity lithium battery — One divides into two charging cable to charge the receiver and transmitter at the same time, greatly reducing the charging time. The transmitter and receiver has built-in 750mAh battery, which can be recharged 2000 times, and can be used for 6 hours after 2 hours of charging. Widely Used — This flute wireless microphone can be used in solo performance, accompaniment performance, personal entertainment, group performance. 6.35mm interface (Also added a 6.35 to 3.5mm interface) can be used to a variety of equipment, loudspeakers, computer audio, drawbar speakers, mixers, and so on. Widely Used — This brass instruments wireless microphone can be used in solo performance, accompaniment performance, personal entertainment, group performance. 1/4 inch plug and give a 1/4 inch(6.35mm) to 1/8 inch(3.5mm) conversion plug can be used to a variety of equipment, loudspeakers, computer audio, mixers, and so on. UHF 600-952MHz frequency range (region dependant). Digital wireless audio transmission. 48KHz audio sampling mode. Pre-set 16 selectable frequencies. Digital ID, completely solves frequency interference. IR sync downloading the frequency from receiver. Lithium battery power supply. Portable plug-on receiver, plug in the mixer or active speaker directly. Up to 60m line-of-sight operating range. Suitable for saxophone stage performances, street performances, etc. Frequency range: 660-690MHz (region dependant). Frequency: Pre-set 16 selectable channels. Modulation mode: pi/4 DQPSK. Frequency response: 60Hz – 15KHz ± 2dB. Output: 6.35mm plug. Power supply: 3.7V Lithium battery. Power consumption: >6 hours continuosly using. Frequency range:660-690MHz (region dependant). Frequency change: IR synch. Microphone dimension: F4.01.5mm. Power supply: 3.7V lithium battery. Power consumption:>6 hours continuosly using. 1x USB Charging Plug. 1x 6.35mm to 3.5mm Conversion plug. Other accessories demo in the picture is not included. Please read the manual carefully before use. Please kindly note that. Also, the each additional item means. The the same color and size. Transit time may be a little delayed because of the. If you have any questions.