Running Light Arm with LED Night Cycling or Running Safety Warning Reflector Light Rechargeable Fiber Optic Light

- Glowing in the dark: the light up sports wristbands are glowing with LED and TPU light-guiding tube inside the thin nylon fabric, it powered by CR2032/CR2016 replaceable batteries and glowing in the dark brightly, keep you be seen and safe at night

- Adjustable size fit for most: the length of this led armband is 9-16 inches/ 22.86-40.64 cm, it also has elastic bands design, fit for your size needs, there is an adjustable buckle for you to adjust the different size according to your preference, even fit for some kids and your pets

- Easy to wear and portable: with our light up band, you can wrap it to your wrist, ankle, arm and leg easily, or tied on bike, helmet, schoolbag, backpack, anywhere you like, it's portable and convenient for you to use

- Widely application: our led bracelet is suitable for walking, riding, running or motorcycling at night and applied to dog collar when night walking, it can also be regarded as party supplies, share with your family members, friends and others

Overall: length 35 cm, width 2.5 cm

Switch box: length 3.5 cm, width 2.5 cm

Velcro: length 12 cm width 2.5 cm

Adjustment range: Suitable for 27 cm-31 cm

Ordinary model: Battery: 2 pcs CR2032 button battery drive

Light-emitting time: 60 hours, 2-3 months of normal use