Product Description
BT39 Bluetooth Car Hands-free FM Transmitter + USB Car Charger Support TF Card/Aux-in
2-in-1 multi-functional design: car FM transmitter + car charger
1.44-inch LCD screen shows working status
Adopt zinc alloy shell, compact and practical
3.1A maximum current output, charge your device very fast
Built-in high-definition sensitive microphone with CVC intelligent noise reduction technology, support clear hands-free phone calls
Support external TF card expansion, U disk, 3.5MM AUX input/output 
With 90 degree rotations function
Support voice prompts
Support multi-function menu operation, EQ settings, language switching, etc.

Specification:
Screen: 1.44-inch LCD lattice screen
Bluetooth version: V4.1
Power supply: DC 12V-24V
Working current: 50-100mA DC12V
FM frequency: 87.5MHz-108.0MHz
Support format: MP3/WMA/APE/FLAC/WAV
Transmission distance: <5 m
SNR: 85dB(FM: 65dB)
Harmonic distortion: <0.05%(FM<0.1%)
Working temperature: 0? to 60 ?
Certification: CE, FCC

Compatible with:
iPhone iPad iPod
Samsung Huawei Sony HTC etc. Bluetooth-enabled devices

Package included:
1 x BT39 Bluetooth Car Hands-free FM Transmitter + USB Car Charger
Accessories only, other things not included