Main Features:<br />Bluetooth hands free function<br />Senior echo processing: Clear voice， no aftersound<br />MP3 play: Plays music directly from TF card ( U disk ) of Mp3， WAV， WMA， APE， FLAC files<br />Audio input: Stereo sound and audio input interface， easily connect to many audio device， such as laptop， digital music player， mobile phone， computer， etc<br />Power supply: Built-in lithium chargeable battery， environmental， energe-saving， practical<br />TF card reader: Connect to computer， can copy or delete the song of TF card <br />With previous / next song， play / pause， turn up / down volum functions<br /><br />    Specifications<br />Primary Features<br />	 Design: Portable                                                  <br />                        Supports: Bluetooth， Hands-free Calls， Volume Control， TF Card Music Playing                                                  <br />                        Functions: AUX Function， Songs Track                                                  <br />                        Compatible With: Laptop， MP3                                                  <br />                        Connection: Wired， Wireless                                                  <br />                        Interface: 3.5mm Audio， USB2.0， Micro USB， TF Card Slot                                                  <br />                        Audio Source: Electronic Products with 3.5mm Plug， Electronic Products with USB port， U-disk                                                  <br />                        Color: Black， Blue                                                	<br />Technical Parameters<br />	 Bluetooth Version: V2.1+EDR                                                  <br />                        Speaker Battery Capacity: 2000mAh                                                  <br />                        Freq: 100Hz-20KHz                                                	<br />Dimension and Weight<br />	 Product Weight: 0.397 kg                                                  <br />                        Package Weight: 0.568 kg                                                  <br />                        Product Size (L x W x H): 16.0 x 6.5 x 6.5 cm / 6.29 x 2.55 x 2.55 inches                                                  <br />                        Package Size (L x W x H): 19.2 x 8.1 x 7.0 cm / 7.55 x 3.18 x 2.75 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x Bluetooth Speaker， 1 x Audio Cable， 1 x USB Cable                                                	<br /><br /><br /><br />                                            <br /><br />                                                <br />