BSEEN LED Armband, 2 Pack High Visibility Light Up Sports Wristbands, Adjustable Glowing Bracelets for Runners, Joggers, Pet Owners, Cyclists PACK OF 2PCS LED SAFETY ARMBAND: Youll get 2pcs of this led armband when you purchased one, you can wear it with your left/ right arms or share with your friend or families. ULTRA HIGH VISIBILITY: this armband is glow with led& TPU light-guiding tube inside the thin nylon webbing, powered by 2*CR2025 replaceable batteries, very bright in the dark and nighttime activities. Keep you be seen& be safe at night for you, your children or your pets. LIGHTWEIGHT& EASY TO WEAR: Just wear it on your arm, and fix by the release buckle. Its very light that youll not feel uncomfortable to wear it when youre running, cycling,ect. ONE SIZE SUIT FOR ALL: the length of this armband is 9-16, that you can adjust it by the buckle to suit for different sizes of arms. No matter kids or strong bicep men, itll be all OK. 100% QUALITY GUARANTEE: If there is any quality problem, please feel free to contact us, Our Bseen customer service team will be very glad to help you anytime. No any risk to order it Now! <span class="a-text-bold">Easy Battery Replacement:</span><br> Each Armband comes with 2*CR2025 3V small lithium button batteries, it easy to replace when the battery is exhausted. Please pull out the tag insolator before using. It&#039;s easy to put it on&amp; off by this release buckle, not easy to fall off. 2PCS nylon led armbands 4*CR2025 Spare Batteries Bseen Color Box