Main Features: <br />● Controlled by voice， the higher the voice decibel， the brighter the LED light<br />● Powered by 2 x CR2032 3V battery (included in product)， it allows the wristband to continuously work for 50 hours<br />● Suitable for night cycling， hiking， climbing and other night activities<br />● Material: Silicone gel + PVC<br /><br />    Specifications<br />General<br />	 Type: Wristband                                                	<br />Product Details<br />	 Power Source: Others                                                  <br />                        Modes: 1 Mode                                                  <br />                        Color: Blue，Green，Orange，Pink，Red，White，Yellow                                                	<br />Basic Information<br />	 Product weight: 0.018 kg                                                  <br />                        Package weight: 0.040 kg                                                  <br />                        Product Size  ( L x W x H ): 7.20 x 7.20 x 2.30 cm / 2.83 x 2.83 x 0.91 inches                                                  <br />                        Package Size(L x W x H): 8.50 x 8.50 x 3.50 cm / 3.35 x 3.35 x 1.38 inches                                                	<br />Package<br />	 Package Contents: 1 x Voice Control LED Light Wristband                                                	<br /><br /><br /><br />                                            <br /><br /><br /><br /><br />                                                <br />