Feature:FM Transmitter for iPod / for iPad / for iPhone 4 4S 5 5S 6 Plus 6S Plus、 For Samsung Sony Huawei Xiaomi、for MP3 / 4 players、 mobile phoneswith a 3.5mm audio jackTransmit your favorite tunes from your device to your car / other stereoHands free talk function offer you more safety during drivingLCD displayers frequency with backlightWith Touch key design、 High fidelity stereoDigital PLL、 transmission is stable in different environmentsFull frequency rangeMemory for last frequencyPowered by rechargeable built-in lithium battery、 do not need to use the for iPhone's powerBlue LCD backlight displaySpecification:Frequency range: 87.5-108MHz / StepEffective Range: 5mVoltage: 5VDistortion degree: 2 percentColor: BlackPackage Included:1 X 3.5mm Music Audio FM Transmitter1 X USB Cable