features:<br /> and high quality.<br />perfect for outdoor cycling， jogging， walking at night.<br />super bright led light， with 3 modes， quickly flashing， slowly flashing， steady. <br />simple style design， easily to take off or take on.<br />can be extend to a big neck ring by connect one to one.<br /><br />specifications:<br />color: send in random<br />length: approx. 24cm<br />width: approx. 15mm<br />battery: 3 x ag <br />weight: approx. 20g<br /><br />package includes:<br />1 x led wrist band