Ultra High Visibility - Runs on a small button battery, and the LED lights and polymer for light transmission make it extremely visible during twilight and nighttime activities. The brightness is much higher than the glow of the dark glow sticks. That means more security for you, your children or your pet from careless and distracted drivers Three lighting modes - The light strips has three lighting modes: fast flashing, slow flashing, always bright mode. Just one click to control. Easy to use, suitable for all your favorite outdoor sports, e.g. cycling, jogging, running, camping and walking Freely adjustable size - the running reflectors, which have a length of 28 to 32 cm, are adjustable, they are suitable for most men, women and children. You can wear them on your wrist, ankle, and arm. Quick to apply and very light, with good quality and comfortable material, the jogging light strips are the ideal complement to reflective things, perfect sports accessories Replaceable Batteries --- Button cell operated, the wristband can work for about 60-80 hours. Normal use for 2-3 months, battery can be replaced by yourself, we will give you 4 additional batteries! Product description Why choose us? - This LED armband is a must have for outdoor activities. You can wear it on your upper arm, wrist, or ankle when you're jogging or walking the dog. - Bright lighting. With the reflective material, our LED wristband is much brighter than similar products, making it safer outdoors. -- Better quality. There is exquisite sewing with good nylon material and light reflective material, so the led armband is comfortable. - Ideal for outdoor activities on dark nights, such as running, walking, jogging, horse riding, cycling, hiking, camping, Christmas holidays, celebrations, birthdays and concerts. Technical data: - Type of light source: LED - Number of LEDs: 1 piece - Light source properties: light source permanently installed - Materials: plastic, nylon, Velcro tape, reflective PVC tape - Weight (per light band): 32g How to use the LED armband - Pull out the insulating film - Press the button once for quick flash - Press the button twice for the slow flash - Press the button a third time for it to light up continuously - Press the button the fourth time to switch off What do you get? - 4 * LED armbands