K812 Portable Bluetooth V2.1 Stereo Speaker with Built-in Microphone TF Card AUX Slot <br />Are you tired after the whole day working? Now， throw all the troubles away， let us enjoy the wonderful music， enjoy the beautiful life!<br /><br />Features:<br />● Lossless pure sound， 360 degrees surround sound， giving you more perfect and outstanding experience.<br />● Three modes: Bluetooth mode， FM mode， AUX mode.<br />● Smooth body lines， excellent feel， it just looks like an artwork. Engineering plastic material protects it from damaging the internal cavity.<br />● Wireless Bluetooth V2.1 technology， support hands free， intimate and comfortable.<br />● Support FM radio， providing you with multi-radio choice， life is no monotonous at all.<br />● Perfect collapsible built-in large capacity lithium battery ( 800mAh )， long time for using.<br />● With LED indicator， you can know whether your speaker is being charged. <br />● Support USB， TF card and 3.5mm AUX input.<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />    Specifications<br />Primary Features<br />	 Design: Stylish， Cool， Portable， Multifunctional                                                  <br />                        Supports: Hands-free Calls， FM， Loudspeaker， Bluetooth， Microphone， TF Card Music Playing， Volume Control                                                  <br />                        Functions: AUX Function， Stereo， Songs Track                                                  <br />                        Compatible With: Mobile Phone， MP5， TF/Micro SD Card， MP4， Tablet PC， MP3， Laptop， PC                                                  <br />                        Connection: Wireless                                                  <br />                        Interface: TF Card Slot， Micro USB， USB2.0， 3.5mm Audio                                                  <br />                        Audio Source: Electronic Products with 3.5mm Plug， TF/Micro SD Card， Bluetooth Enabled Devices， Electronic Products with USB port， U-disk                                                  <br />                        Material: Plastic， Metal                                                  <br />                        Color: Purple， Orange， Blue                                                	<br />Technical Parameters<br />	 Bluetooth Version: Bluetooth 2.1                                                  <br />                        Transmission Distance: W/O obstacles 10m                                                  <br />                        Speaker Impedance: 4 ohm                                                  <br />                        Power Output: 3W x 2 (Max)                                                  <br />                        Total Power: 6W                                                  <br />                        S/N: 85dB                                                  <br />                        Distortion: 0.01 percents                                                	<br />Other Parameters<br />	 Charging Voltage: 4.8V - 5.5V DC                                                  <br />                        Working Voltage: 3.7V - 4.2V DC                                                  <br />                        Charging Time: About 3 hours                                                  <br />                        Lasting Time: About 3 hours                                                  <br />                        Battery Capacity: 800mAh                                                	<br />Dimension and Weight<br />	 Product Weight: 0.353 kg                                                  <br />                        Package Weight: 0.444 kg                                                  <br />                        Product Size (L x W x H): 20.5 x 6.4 x 4.0 cm / 8.06 x 2.52 x 1.57 inches                                                  <br />                        Package Size (L x W x H): 23.0 x 7.5 x 5.0 cm / 9.04 x 2.95 x 1.97 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x K812 Portable Bluetooth V2.1 Stereo Speaker with Built-in Microphone TF Card AUX Slot， 1 x USB Charging Cable                                                	<br /><br /><br /><br />                                                <br />