The TS-FM03 3.5mm Wireless FM Transmitter directly plugs into the 3.5mm earphone jack on cellphone or other media players to enable wireless FM radio transmission. In this way， you can stream your favorite music to speakers and headset. Thanks to its advanced chip， the transmitter reproduces high quality audio for an enjoyable music journey. Inbuilt battery offers enough power for more than 4 hours of run time. Mini size easily fits anywhere. Click and get one now! It surely is worth your investment!                                    Features             Directly plug into the 3.5mm earphone jack on cellphone or other media players<br> Work to enable wireless FM radio transmission<br> Stream your favorite music to speakers and headset<br> Reproduce high quality audio for an enjoyable music journey<br> Inbuilt battery for more than 4 hours of run time<br> Mini size easily fits anywhere <br>                                                            Specifications             Frequency Range     20HZ - 20kHz    <br> Separation     ≥ 6odB    <br> Operating Voltage     4.2V 130mA(Lithium Battery)    <br> Operating Current     30mA±5mA    <br> Working Time     more than 4 Hours    <br> Recharging Voltage     5V 500mA    <br> Charging Time     2 Hours    <br> SNR     ≥ 6odB    <br> Audio Distortion Degree                             Package Includes            1 x FM Transmitter<br>1 x USB Cable<br>1 x User Manual<br>