Outdoor Sports LED Armband Flashing Wristband Luminous Bracelet for Night Running

LED lights with luminous bands help to improve visibility and at night. It can make running, walking, cycling and other outdoor sports at night. Just tie it to your arm, wrist or calf, press the button once, and it will work. Press the button once to keep on, press the button twice to SOS flashes. Item Type: LED Armband Material: PVC+silicone Color: As Picture Shown Lamp body size:approx. 18.5cm/7.3in Elastic band: approx. 21cm/8.3in Power supply: 2 x CR2032 button batteries 200mAh (shipped with built-in battery) A new battery can last up to 80 hours Light mode: constant light, flashing Waterproof: Daily Waterproof How to use: 1. Clip the hook and fasteners to the LED belt, making sure that the plastic hook is facing upwards. 2. Insert the elastic strap hook and fasteners into another hole of the strap and stick it together to form a closed . 3. Put it on the arm/leg and tighten it. You can adjust the length of the elastic strap to get a better fit.