Main Features: <br />● Features bluetooth 2.1 technology， long transmission distance up to 10 meters<br />● Enjoy hands-free phone calls and music in the car， making your driving or trip more elegant and safer<br />● Compatible with all bluetooth enabled digital devices<br />● Built-in high capacity 1200mAh rechargeable Li-battery， charging by computer or other DC 5V<br />● Enable directly playing MP3 files in TF / micro SD memory card and USB disk<br />● With FM radio function， listen to world affairs<br />● AUX input， support kinds of music sources <br />● Compact size of ease for carrying anywhere<br /><br />    Specifications<br />Primary Features<br />	 Model: BT-18                                                  <br />                        Design: Fun， Stylish， Mini， Cool， Multifunctional                                                  <br />                        Supports: Bluetooth， FM， Loudspeaker， Hands-free Calls， Volume Control， TF Card Music Playing， Microphone                                                  <br />                        Functions: Stereo， AUX Function， Songs Track                                                  <br />                        Compatible With: iPod， MP3， iPhone， MP4， PSP， MP5， Laptop， Mobile Phone， Tablet PC， PC， TF/Micro SD Card                                                  <br />                        Connection: Wireless， Wired                                                  <br />                        Interface: TF Card Slot， 3.5mm Audio， USB2.0， Micro USB                                                  <br />                        Audio Source: Bluetooth Enabled Devices， TF/Micro SD Card， Electronic Products with 3.5mm Plug， U-disk， Electronic Products with USB port                                                  <br />                        Color: Black， White， Red                                                	<br />Technical Parameters<br />	 Bluetooth Version: V2.1+EDR                                                  <br />                        Transmission Distance: W/O obstacles >= 10m                                                  <br />                        Driver Unit: 40mm                                                  <br />                        Speaker Impedance: 4 ohm                                                  <br />                        Power Output: 3W x 2                                                  <br />                        Freq: 50HZ-20KHz                                                  <br />                        S/N: 95dB                                                	<br />Other Parameters<br />	 Power Source: Battery， USB                                                  <br />                        Charging Voltage: DC 5V                                                  <br />                        Lasting Time: 2hours                                                  <br />                        Battery Capacity: 1200mAh                                                  <br />                        Operating Range: 10m                                                	<br />Dimension and Weight<br />	 Product Weight: 0.328 kg                                                  <br />                        Package Weight: 0.542 kg                                                  <br />                        Product Size (L x W x H): 28.2 x 5.7 x 4.3 cm / 11.1 x 2.2 x 1.7 inches                                                  <br />                        Package Size (L x W x H): 32.0 x 7.0 x 5.0 cm                                                	<br />Package Contents<br />	 Package Contents: 1 x BT-18 Wireless Bluetooth 2.1 Radio Speaker， 1 x 3.5mm Audio Cable， 1 x USB Cable， 1 x User Manual                                                	<br /><br /><br /><br />                                                                                            <br />