High power; 10W high power is the guarantee of penetration, can be good in the building as well as the obstacle environment to pass the signal. DMR signal; DMR can better stabilize the signal, even at the edge of the signal can achieve better sound quality. Shoulder microphone; it improves the portability of the walkie-talkie while ensuring the communication, as well as the beauty of wearing it. High sound quality; DMR has clearer sound quality with high-performance speakers for clearer group calls. Group calls; grouping is clearer and coordination is efficient. Better work efficiency. What you will get; 10 X RT81 DMR Radio; 10 X Speaker ; 2 x Programming Cable