eatures: 1. The Multifunctional Bluetooth Car Kit integrates FM Transmitter, MP3 Player & Car Charger. 2. Frequency range:87.5-108 Mhz. 3. Short press the Frequency Selection Button of the device to switch to the next frequency point, 4. Compatible with almost all Bluetooth-enabled audio devices such as, for iPhone 6 6S Plus 5S, for Samsung Galaxy S6 5 S4 S3 / Note 5 4 3 2, for HTC One, Tablet PC, Laptop, etc. 5. Supports Bluetooth hands-free calls (via built-in microphone). --Supports MP3 Player function, & supports playing music files of TF / Micro SD Card, (music formats can be MP3, WMA, etc). 6. Uses CVC noise suppressed & echo cancellation technology to create the full duplex sound quality, offering Perfect Sound Quality & clear communication effect. 7. The flexible arm can be rotated (180 degrees). 8. Supports HFP / HSP, A2DP / AVRCP Bluetooth protocol. 9. The included USB (Universal Serial Bus) port can supply power to your portable devices such as, mobile phones, MP3, MP4, etc. Specification: Bluetooth Version V 3.0+EDR; Class 2 Frequency 2.402-2.480GHZ Sensitivity -42d B 3d B (360 Round) Output Voltage 5V 02.5 Working Voltage 5V 0.5 Output Current 1000m A (MAX) Short Circuit protection Current 2.4 ~ 3.0A Working Current 45m A (MAX) Standby current 25m A (MAX) Effecting distance 5M Sensitivity -92d B RF Output 4d Bm Pairing: 1. The pairing function will be activated automatically when the device is power on. White the LED indicator's 1 time/second blinking, search this device with the nam