Main Features:<br />Built-in Bluetooth V3.0<br />ISM band: 2402 - 2480MHZ<br />Up to 10m operating distance<br />Portable tool for your electronic equipment<br /><br />    Specifications<br />Specification<br />	 Product weight   : 0.146 kg                                                  <br />                        Package weight   : 0.230 kg                                                  <br />                        Product size (L x W x H)  : 20.5 x 8 x 0.6 cm / 8 x 3.14 x 0.23 inches                                                  <br />                        Package size (L x W x H)  : 22 x 9.5 x 2.5 cm                                                  <br />                        Package Contents: 1 x Bluetooth Kerboard， 1 x User Manual， 1 x USB Cable                                                	<br /><br /><br /><br />                                                <br />