Note that GROM-USB3-MB is not compatible with GROM-HDR1 HD Radio Dongle.

USB Connection: GROM-USB3 car stereo adapter connects your USB 2.0 device such as flash drive, external hard drive or mass storage device to the stock stereo in your car. You can control the playback through your car stereo or steering wheel controls.

Android integration via USB port that supports advanced control and browsing requires DashLinQ Android Car Mode Dashboard App, available at Google Play Store For more information go to DashLinQ page

USB streaming for select with Jelly Bean and up software is available without DashLinQ. You can stream the music and use track up and track down controls from any music application, while connected via USB. 

iPod, iPhone, iPad car integration: Connect your Apple device to the factory car stereo via USB port. Play music, control from car stereo or steering wheel, and charge at the same time. Use standard USB to Apple connector cable (including Lightning style). All iPod, iPhone, iPad are compatible, invcluding latest iPhone 6 and iPhone 6 Plus.

Bluetooth add-on (sold separately): Make a hands free phone calls (HFP), stream music from your phone to the factory stereo via Bluetooth Audio playback (A2DP), control your music with the car stereo or steering wheel controls via Bluetooth wireless audio control (AVRCP) with the GROM Bluetooth Dongle 

Aux 3.5mm phone jack connection for any additional audio source such as DVD, MP3 player, XM and more.Available with plus 5V charging option via AUX-In 3.5mm and 5V USB charging cable 

Specs:

Automotive grade USB extension cable with latch-style connectors
Operating Temperature: -40C - +85 C (-50F - 200 F)
Operating current: ~220mA 
Standby current: ~1mA 
SN Ratio: 95dB
DAC resolution: NA 
Distortion: < 0.01%
Dimensions: W / H / D - 60* 73 * 20 mm
Weight: 60g 
Enclosure: Black metal

Parts Included:

Standard package include:
- Car stereo adapter in metal enclosure
- Vehicle specific harness
- Automotive grade USB Type A Male / Type A Female 3FT cable
- Operation manual

Optional accessories (purchase separately):
- GROM Bluetooth Dongle for hands free calling and wireless playback (GROM-BTD)
- AUX 3.5mm cable for any MP3 player, mobile phone, XM, etc. (35USB) 

GROM-USB3 Usage Manual
GROM Fitment Guide
Check FAQ
Check for recent firmware updates