1Low noisy, advanced voice compression technology to effectively suppress ambient noise, ensuring clear calls. 2Optimize the horn interface design to block dust and extend the life of the speaker. 3Circuit board technology, using aluminum and gold metal materials to heat dissipation, ensuring the stability and quality of the call. 4Professional processing chip, more focus on the compatibility of the walkie-talkie and higher audio quality, fast heat dissipation, strong stability. 5Strong penetrating power, optimized by new technology, 2 times higher than the previous generation transmission rate, stable and reliable, and high acceptance density.