Main Features:<br />● Bluetooth specification: V2.1 + EDR<br />● Compact and light-weight， you can take it to anywhere you like<br />● Works with the speaker which has 3.5mm line-in jack <br />● Up to 10 meters transmitting distance<br />● Keep working while charging<br />● Built-in rechargeable lithium-ion battery<br />● Low power consumption and long continuous working time<br />● Plug and play， no driver needed<br /><br /><br /><br />    Specifications<br />Primary Features<br />  Model: A05                                                  <br />                        Design: Mini                                                  <br />                        Supports: Bluetooth                                                  <br />                        Compatible With: PC， Mobile Phone                                                  <br />                        Connection: Wired                                                  <br />                        Interface: 3.5mm Audio                                                  <br />                        Audio Source: Bluetooth Enabled Devices                                                  <br />                        Color: Black                                                 <br />Technical Parameters<br />  Bluetooth Version: V2.1+EDR                                                 <br />Other Parameters<br />  Charging Voltage: DC 5V                                                  <br />                        Charging Time: About 2 hours                                                  <br />                        Lasting Time: Up to 10 hours                                                 <br />Dimension and Weight<br />  Product Weight: 0.016 kg                                                  <br />                        Package Weight: 0.055 kg                                                  <br />                        Product Size (L x W x H): 4.6 x 3.5 x 0.8 cm / 1.81 x 1.38 x 0.31 inches                                                  <br />                        Package Size (L x W x H): 11.0 x 8.0 x 2.0 cm / 4.32 x 3.14 x 0.79 inches                                                 <br />Package Contents<br />  Package Contents: 1 x A05 Mini Bluetooth V2.1 + EDR Wireless 3.5mm Audio Receiver Stereo Dongle for Speaker etc.， 1 x USB Charging Cable， 1 x English User Manual                                                 <br /><br /><br /><br />                                                <br />