MARVO Wireless Keyboard and Mouse Combo

2.4G Ergonomic Wireless Computer Keyboard with 9.84inch Phone Tablet Holder;

Silent Mouse with 6 Button(800/1200/1600 DPI Adjustable);

Compatible with Windows XP / Vista / 7 / 8 /10 and MACOS operating systems;

When connection, red power light will blink for 5-8 seconds and then turn off, in low battery mode, red power light will blink when you press any key.

So it is normal for the red light to blink for 5-8 seconds when you first start using the device.