1628数码管驱动，2323,2258电子音量，兼容6017,8035,1010,1019,5807等收音，带长短按，hold按键，带蓝牙驱动（6638），包含bt，aux，MP3，fm模式。-1628 digital tube driver, 2323,2258 electronic volume, and other compatible 6017,8035,1010,1019,5807 radio, with the length of press, hold button, Blueto

Radio button on STM8 and CC1200(433MHz).