This product is a multi-functional mounting bracket clipper designed for smart phones and other portable devices.Features include phone fixing， audio amplifier and FM transmitter.                                    Features            Universal， suitable for all kinds of mobile phones， games， GPS and other portable mobile devicesSuitable for home/office/in-car usesHands-free functionWork as navigation， video playing， Car DVRTransmit music from mobile phone to car audioSpeaker/FM transmitter. Two modes can be switchedDigital display FM transmitter frequency， last memorySupports TF card music playingSupports MP3/WMA formatSupports LINE audio inputSupports answer/ reject a callSupports charging other devices via USB cableStable sucker clip structure. Solid and reliable clip for smart phones with a maximum 10cm widthBuilt-in rechargeable lithium battery                                                            Specifications            Speaker Output Power    4 ohms / 2 W    <br>FM Transmission Frequency    87.5 - 108MHZ    <br>Built-in Lithium Battery Capacity    300mAh    <br>Charger    DV 5V / 2A    <br>Operating Temperature    -10 to 60℃    <br>Storage Temperature    -20 to 70℃    <br>Material    ABS    <br>Color    Black !#!amp!*! Red    <br>Dimensions    (6.30 x 2.20 x 3.15)" / (16 x 5.6 x 8)cm (L x W x H)    <br>USB Cable Length    32.28" / 82cm    <br>Weight    3.88oz / 110 g    <br>                                                            Package Includes            1 x Smart Phone Holder with Car FM Transmitter1 x Car Charger1 x Audio Cable1 x USB Cable1 x User Manual