?Main Features:<br />Bicycle helmet safety fixed strap¡¢ perfect for your outdoor cycling<br />Compatible with GoPro Hero 4 / 3+ / 3 / 2 / 1¡¢ it allows you to use the camera on head or helmet to record the scene <br />Not easy to shake¡¢ with great stability<br /><br />    Specifications<br />General<br />	 Color: Black                                                	<br />Basic Information<br />	 Product Weight: 0.030 kg                                                  <br />                        Package Weight: 0.090 kg                                                  <br />                        Product Dimension: 20 x 4 x 1 cm / 7.86 x 1.57 x 0.39 inches                                                  <br />                        Package Dimension: 15 x 10 x 2 cm / 5.90 x 3.93 x 0.79 inches                                                	<br />Package<br />	 Package Contents: 1 x Bicycle Helmet Safety Fixed Strap                                                	<br /><br /><br /><br />                                                                                            <br />