Feature: Specification: Item Type: LED Armband Material: Nylon Webbing+Plastic+PU Fiber Color: As Picture Shown Width: Approx. 2.5cm/1.0in Expand Length: Approx. 24cm/9.4in Weight: Approx. 19.0g/0.7oz Power Supply: 2Pcs CR2016 Button Batteries 75mAh (built-in) Package List: |