Though in a mini size， the PT-350 AUX Bluetooth Audio Receiver with Microphone !#!amp!*! TF / USB Slot !#!amp!*! FM Radio integrated with many amazing functions. With Bluetooth connectivity， it directly plugs to car stereo system， speakers or headphones with AUX input to receive audio signals streamed wirelessly from audio devices. Moreover， it is built with Bluetooth mode， TF card mode， U-disk mode， and FM mode. You can press the MODE button to select the audio source. Even better， this mini receiver has inbuilt mic， allowing for hands-free call when you are on the road. Don&acute;t hesitate to buy now!                                    Features             Directly plug to car stereo system， speakers or headphones with AUX input<br> Receive audio signals streamed wirelessly from audio devices via Bluetooth connection<br> Built with Bluetooth mode， TF card mode， U-disk mode， and FM mode<br> You can press the MODE button to select the audio source<br> Inbuilt mic allows for hands-free call when you are on the road<br> Support A2DP V1.2 stereo sounds<br> Inbuilt 170mAh rechargeable lithium battery long play time<br> Super mini size， lightweight， easy to carry <br>                                                            Specifications             Model     PT-750    <br> Color     Black    <br> Bluetooth Version     Bluetooth     <br> Bluetooth Profiles     A2DP V1.2， Class2    <br> Receiving Distance     10m Barrier- Free    <br> Output     3.5mm Audio Jack    <br> Power Supply     DC 5.0V     <br> Battery Type     Built-in Rechargeable Lithium Battery (170mA)    <br> Dimensions     (0.87 x 2.01) " / (2.2 x 5.1) cm (H x Dia)    <br> Weight     0.1.20 oz / 34 g     <br>                                                             Package Includes            1 x Bluetooth Audio Receiver <br>1 x 3.5mm to 3.5mm Audio Cable<br>1 x  3.5mm to 3.5mm Audio Adapter<br>1 x USB Cable<br>1 x User Manual<br>