Main Features:<br />Compact， mini size<br />Hidden button， elegent appearance<br />Bluetooth for hands free phone calls<br />One-button operation， easy to operate<br />Adjustable ear-hook provides firm support and comfortable wear<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， Sprint， Version， T-mobile<br />Note:<br />Bluetooth pairing password: 0000<br /><br />    Specifications<br />General<br />	 Model  : U2                                                  <br />                        Color : White， Black                                                  <br />                        Wearing type : Ear Hook                                                  <br />                        Feature: Auto pairing function， Battery status indication for iPhone，  Voice prompt                                                  <br />                        Function : Bluetooth， Answering phone， Voice control， Microphone                                                	<br />Specification<br />	 Connectivity : Wireless                                                  <br />                        Application : Mobile Phone                                                  <br />                        Power supply: Builti-in rechargeable li-ion battery                                                  <br />                        Working time: Talk time: 6 hours; Music playing time: 5 houes                                                  <br />                        Standby time: Up to 120 hours                                                  <br />                        Charging time: About 2 hours                                                	<br />Extended Function <br />	 Bluetooth: Yes                                                  <br />                        Bluetooth version: V3.0+EDR                                                  <br />                        Powlev: CLASS II                                                  <br />                        Bluetooth distance: W/O obstacles 10m                                                  <br />                        Bluetooth band: 2.4GHz                                                	<br />Dimension and Weight<br />	 Product weight  : 0.007 kg                                                  <br />                        Package weight  : 0.120 kg                                                  <br />                        Product size (L x W x H) : 5.0 x 1.5 x 2.0 cm / 2.0 x 0.5 x 0.8 inches                                                  <br />                        Package size (L x W x H) : 19.0 x 10.0 x 5.0 cm                                                	<br />Package contents<br />	 Package contents: 1 x Bluetooth Earphone， 1 x Ear Clip， 1 x USB Charging Cable， 1 x External Earphone， 1 x User Manual                                                	<br /><br /><br /><br />                                                                                            <br />