Main Features:<br />Compact and mini size<br />Approx. 2 hours of music playing  <br />The newest Bluetooth V4.1 headpnone<br />Adjustable ear-hook， comfortable to wear<br />Bluetooth hands free， enhance driving safety<br />One-button control， easy to reach and hang up phone calls<br /><br />Works with all smartphones with Bluetooth function: iPhone 5 / 4S / 4 / 3; Samsung Galaxy S4 / 3; Note II 2; LG; HTC; NOKIA; HUAWEI; Motolora; Blackberry; Philips; Toshiba; Panansonic; AT&T; Sprint; Version; T-mobile<br />Work well with all Tablets with Bluetooth function: Apple Mac; iPad; iPod series; Samsung Galaxy Tab; Kyros Tab; Nook Tablet; Playbook， Asus; Google; Coby; Microsoft， TOSHIBA， LG， PANANSONIC， SONY; VIZIO ASUS <br />All Android tablet and all other tablet with Bluetooth function<br /><br />    Specifications<br />General<br />	 Brand: Roman                                                  <br />                        Model  : Q1                                                  <br />                        Wearing type : Ear Hook                                                  <br />                        Function : Noise Cancelling， Voice control， MP3 player， Answering phone， Bluetooth                                                	<br />Specification<br />	 Connectivity : Wireless                                                  <br />                        Microphone frequency: 2.4.2G-2.480G                                                  <br />                        Working time: About 2.5 hours                                                  <br />                        Standby time: About 75 hours                                                  <br />                        Charging time: About 2 hours                                                	<br />Extended Function <br />	 Bluetooth: Yes                                                  <br />                        Bluetooth version: V4.1                                                  <br />                        Bluetooth distance: W/O obstacles 10m                                                  <br />                        Bluetooth mode: Headset， Hands free                                                	<br />Dimension and Weight<br />	 Product weight  : 0.006 kg                                                  <br />                        Package weight  : 0.100 kg                                                  <br />                        Product size (L x W x H) : 1.8 x 1.8 x 2.2 cm / 4.3 x 4.3 x 5.8 inches                                                  <br />                        Package size (L x W x H) : 8 x 8 x 5 cm                                                	<br />Package contents<br />	 Package contents: 1 x Bluetooth Headset， 1 x Charging Cable， 1 x Ear Hook， 1 x User Manual                                                	<br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />                                                <br />