Main Features:<br />Built-in Microphone， convenient to use<br />Enjoy hands-free phone calls and music in the car， making your driving or trip more elegant and safer<br />Wireless Bluetooth-enabled device connection<br />With hidden TF card， AUX external audio and USB input， easy to use and saving your space<br />Enable directly playing MP3 files in TF / micro SD memory card <br />Voice broadcast function， intelligent reminder power on or off<br />Rechargeable lithium battery， extend the playing time for outdoor use<br />Equipped with easily disassembly stand accessory， can be fixed to the bicycle frame<br />With LED indicator light<br />Hanging design for outdoor activities， convenient to carry<br /><br />    Specifications<br />Primary Features<br />	 Model: BV350                                                  <br />                        Design: Sport， Multifunctional， Portable， Cool                                                  <br />                        Supports: Volume Control， TF Card Music Playing， Microphone， SD Card Music Playing， Bluetooth， Loudspeaker， Hands-free Calls                                                  <br />                        Functions: AUX Function， Songs Track， Stereo                                                  <br />                        Compatible With: Laptop， MP5， Tablet PC， PC， TF/Micro SD Card， iPod， MP3， iPhone， MP4， PSP， Mobile Phone                                                  <br />                        Connection: Wired， Wireless                                                  <br />                        Interface: Micro USB， TF Card Slot， 3.5mm Audio                                                  <br />                        Audio Source: Bluetooth Enabled Devices， TF/Micro SD Card， Electronic Products with 3.5mm Plug， Electronic Products with USB port                                                  <br />                        Color: Green， Blue， Yellow， Red                                                	<br />Technical Parameters<br />	 Transmission Distance: W/O obstacles 10m                                                  <br />                        Freq: 90Hz-20KHz                                                  <br />                        S/N: 80dB                                                	<br />Other Parameters<br />	 Support O.S: Windows Vista， Mac OS， Windows 2000， Windows XP， Windows 7                                                  <br />                        Bluetooth Version: V2.1+EDR                                                  <br />                        Power Source: USB， Battery                                                  <br />                        Charging Voltage: DC 5V                                                  <br />                        Power Output: 3W                                                  <br />                        Charging Time: 3 - 4hours                                                  <br />                        Lasting Time: 6hours                                                  <br />                        Battery Capacity: 1500mA                                                	<br />Dimension and Weight<br />	 Product Weight: 0.330 kg                                                  <br />                        Package Weight: 0.524 kg                                                  <br />                        Product Size (L x W x H): 15.8 x 5.9 x 5.8 cm / 6.22 x 2.32 x 2.28 inches                                                  <br />                        Package Size (L x W x H): 19.0 x 9.2 x 9.0 cm                                                	<br />Package Contents<br />	 Package Contents: 1 x Speaker， 1 x USB Cable， 1 x 3.5mm Audio Cable， 1 x Speaker Stand， 1 x Hanger， 1 x User Manual                                                	<br /><br /><br /><br />                                            <br /><br /><br /><br />                                                <br />