The ER9 Car Bluetooth Mp3 With Headset has:
DUAL USB CAR CHARGER
MULTIFUNCTIONAL CAR BLUETOOTH RECEIVER
DUAL USB CAR CHARGER: Produce Max 5V/3.1A output current, support to charge 2 devices at the same time.
MULTIFUNCTIONAL CAR BLUETOOTH RECEIVER: Designed with 3.5mm line-out jack, support external audio devices. Support full frequency point to launch, range from 87.5Mhz to 108.0Mhz. Support navigation apps to keep you noticed for the traffic information.
LED DIGITALE DISPLAY: LCD displays battery voltage, FM frequency, Bluetooth, TF card and audio output connect status, more convenient to use. egree rotatable head, you can adjust the best angle as you like.
Bluetooth version: V4.2.
FM frequency: 87.5-108mhz.
Playback format: MP3/WMA.
USB output :5V / 2.5a /1A.
Sensitivity: -42 db +/3db.
Working current: 45mA (maximum)
Standby current: 25mA (maximum)
Bluetooth effective distance: 10 m.
Sensitivity: -92 dBm.
Microphone distance: 2 m.
Rf output: 4 dBm.
Transmitting power: 87 dBuv/107dBuv.
Headphone battery capacity: 100Ma.
Battery life: 7 hours.