Using this Lightbender RX armband is a breeze. First, charge the Li - ion battery via USB. Once charged, put on the armband comfortably around your arm. To change the colors, just use the control on the armband to switch between red, green, and blue. You can also choose between the blinking and steady light patterns according to your needs. When it comes to maintenance, since it's sweatproof and waterproof, you can simply wipe it with a damp cloth. Keep it in a cool, dry place when not in use. And always make sure the battery is not over - charged to extend its lifespan.
