Download of device driver for firmware update

1. Introduction

If your PC is a Windows PC with Windows 10 version 2004 or later and you run it for the first time, the device driver will not be installed automatically.
In this case, please download and install the following device driver, and then update.

2. Target product

BT-45C, The Headset of BT-45CS, BT-40, The Headset of BT-40S, BT-35E, BT-30C

3. System Requirements

OS	Windows10

4. How to use

Please unzip the zip file and execute the installation.
Please refer here for installation.

5. How to get

Please download the device driver after agreeing to the following contents.

• The software on this page is a redistributed version of The software provided by STMicroelectronics.
• This software is used to update the firmware of BT-45C, The Headset of BT-45CS, BT-40, The Headset of BT-40S, BT-35E, BT-30C. It cannot be used for any other purpose.
• Please review the Software license agreement and disclaimers of STMicroelectronics before using this software.
• THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
• AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
  INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
  CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
  INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
• We shall not be held liable for direct, indirect or consequential damages with respect to any claims arising from download and use of software by customers.