Eastchina DC 12V-24V 2.4G RF Music Touch Remote Controller | Touch Sensitivity Wireless Music Controller | Designed For 5050 | 3528 | 5630 RGB Flexible LED Strip Lights Transmission frequency: RF 2.4GHz 2.4G RF remote control,Adopt the press key and touch wheel control remote to choose different changing "M"mode, adjust the "S" speed, "B" brightness Music mode switch and turn on/off according to their preference Adopts the most advanced PWM (pulse-width modulation) control technology Compatible with RGB 5050/3528 SMD LED Light Strip