X1 bluetooth Car FM Transmitter Wireless Radio Adapter Dual USB Charger MP3 Music Player

Feature:1. bluetooth handsfree call2. Call when the echo and noise handling (car driving speed of 100 yards, the use of bluetooth calls without any echo)3. Stereo bluetooth and FM launch technology4. Support TF card5. Support MP3 format music6. Automatic power off memory function7. Direct car cigarette lighter power supplySpecification: Model: X1Material: ABSVoltage: 12 - 24VMusic Source: bluetooth devices,Cellphone,Flash drive,TF/Micro SD Card bluetooth protocol: A2DPFunction: handsfree, MP3 player, FM transmitter, power-off memory function, A2DP Voice prompt language: otherbluetooth version: bluetooth V4.1Transmission frequency: 2.4GHzTransmission distance: 10mMIC effective distance: 3 - 5mFM frequency range: 87.5 - 108.0MHzFM transmission distance: 3 - 5m Frequency response: 20Hz - 15KHzSNR: more than 60dBTHD: less than 0.1 percentBattery charging voltage: 12 - 24VInterface / port: USB 2.0, TF card slotPackage Included:1 X Car Handfree FM Transmitter Kit1 X User Manual,,,