Geartist (TM) GB01 Bluetooth 4.0 Hands Free Car Kit with LCD Screen FM Transmitter for Apple iPod, Apple iPhone, BlackBerry, and Android Smartphones - Supports Siri Function (Black)

Feature
-The latest Bluetooth car FM transmiiter for full-speed transmission and low power consumption
-Provide a simple iphone hands free car kit for answering and
receiving phone calls and streaming music from your Bluetooth-enabled phones while on the go
-After checked many similar product review which complain noisy voice,
echo and noise cancelling technology supply a more clear call quality.
-FM transmitting function configuration with LCD display, Easy
connection with the car stereo radio.
-Activates Siri when control button is pressed for 1~2 seconds.
-Built-in microphone and built-in high performance stereo audio codec.
-Automatically calls back the last outgoing call when control button is quickly pressed twice
-Magnetic base is more easily detachable from the controller compared with sticky bases
-Free Dual USB car charger included, capable of charging two devices simultaneously

Parameters
Bluetooth version: Bluetooth 4.0
Bluetooth profile: HFP, HSP, A2DP, AVRCP
Power supply for the bluetooth module: 4.3V-5V
Power supply for the car charger: DC 12V/24V
Car charger output: 5V/1A, 5V/2A
Effective distance between mobile phone and
bluetooth car kit: 10 meters
Effective distance between voice source and mircophone: 1.2 meters

How to set the volume of GB01
1. You need to set call volume,multi-media volume and Siri volume
individually.when you are calling,listening music or activating Siri
long press"C" or turn cellphone volume up until you hear "du" sound is the maximum volume.
2. Adjust the speakers volume of the car as the picture attached.

Package contents
1 x Blue Color bluetooth car kit
1 x bluetooth car kit base (magnetic)
1 x Dual USB Car Charger (5V/1A, 5V/2A)
1 x User manual