100% new Never used In factory box Technical Specifications Supports up to 6 systems at the same time ■ Sample range: 24bit/48KHz uncompressed digital transmission ■ Latency: <12ms ■ Range: ≥100 feet outdoors ■ THD+ Noise: -98dB ■ Dynamic Range: >105dB A weighted ■ Operating Band: 2.4GHz ISM Worldwide ■ Frequency response: 20—20KHz, +1dB/-3dB ■ 280°rotating head,fit for most kind of instruments ■ Support 6 sets of devices work at the same time. ■ USB port for charging