Bluetooth Car Kit MP3 Player FM Transmitter Wireless Radio Adapter TF USB Charger

Feature: 1. Broad Capability: Support bluetooth hands free phone calling and mobile's A2DP function, playing music while phone connected.Supports external TF card / USB disk music play. 2. Exllent Sound Quality: This Bluetooth FM transmitter used advanced anti-interference and noise cancellation technology, to offer you lossless music and clear call sound. 3. Hands-Free Call and Phone Charge: Built-in microphone supports hands-free calling for this car radio bluetooth.Dual USB car charger allows two functions work together, one for phone charging, the other for USB disk music playing. 4. Aux Output: The aux transmitter works with iPhone, Samsung and most other Bluetooth enabled smartphones, phones or MP3 players can also be connected to this radio aux adapter via Aux port, and then stream music to car stereo speaker. 5. Plug and play: The usb bluetooth transmitter turns on automatically when plug it into the car cigarette outlet,select any empty frequency on your radio and match it to the transmitter to setup connection. Specification: Bluetooth version: V4.2+EDR Frequency: 20Hz~20kHz Voltage: 5V +/-0.5V Working current: 45mA(Max.) Stand-by current: 25mA(Max.) Frequency: 2.402~2.480GHz Effecive range: 5 meters Maximum bluetooth TX power: >4dBm Bluetooth RX sensitivity: