FOUR Mobile 4-FMTBT3 FM-transmitter

- Bluetooth version: V4.2 - Frequency range: 87.5-108.0MHZ - Product Input:12-24V - Charger output: 5V/3.4A(in total) - Music Format: mp3, wma - Micro SD Card( Max capacity): 32GB - Audio input/output: 3.5mm stereo jack. - Transmit Distance: about 10 m