UGREEN CM749 Bluetooth Adapter User Manual
- June 1, 2024
- UGREEN
Table of Contents
- Package Contents
- Specifications
- Disable Built-in Bluetooth Before Plugging in Adapter
- Windows 7 (Driver is Required)
- Windows 8.1/10/11 (Plug and play)
- Tips
- Troubleshooting
- Warranty Information
- FCC Statement
- Important WEEE Information
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
UGREEN CM749 Bluetooth Adapter User Manual
Package Contents
1x Bluetooth Adapter
1x User Manual
1x Quick Start Guide
Specifications
Model | CM749 |
---|---|
Bluetooth Version | 5.4 |
Frequency Band | 2400MHz-2483.5MHz |
Max. RF Output Power | 20dBm (EIRP) |
Bluetooth Profile | A2DP/HSP/AVRCP/HID/HOGP/PAN/GAP/OPP |
Transmission Distance | 60m/197ft (no blocking in 360°)120m/394ft (no blocking |
in single direction)
Compatible Systems| Windows 7/ 8.1/10/11
The data are measured by UGREEN lab but may vary based on specific circumstances.
Disable Built-in Bluetooth Before Plugging in Adapter
1. Check if there is built-in Bluetooth in your computer before plugging in
the adapter:
- Option 1: Press the “Windows” “X” to select “Device Manager”
- Option 2: Right-click “This PC “Manage” “Device Manager
If there is a “Bluetooth” icon in the “Device Manager”, please follow the
steps below disable it. If not, please skip this part
Disable Built-in Bluetooth
Double-click the Bluetooth icon right-click on “Intel(R) Wireless Bluetooth
select “Disable device “>Click on “Yes” Default Bluetooth: Generic
Bluetooth Radio, Intel Ri Wireless Bluetooth (RI:
Windows 7 (Driver is Required)
Download the driver:
- Go to UGREEN official website (https://www.ugreen.com/pages/download) and search “CM749”,
- Contact customer service.
Install the driver:
- Unzipped the package, then double-click “setup.exe” and follow up the wizard to complete the installation. You can also refer to the “Installation Guide” in the package for more detailed information.
- After installation, wait for the computer to restart.
Pair Bluetooth devices.
-
Plug the adapter into a computer connected to the Internet.
Note: DO NOT plug the adapter into your computer before disabling the built in Bluetooth. -
Right-click the in the taskbar and choose “Add a Bluetooth Device” or select “Start” > “Settings” > “Devices”. Please ensure to turn on your device’s Bluetooth.
-
Select your Bluetooth device from the list and follow the wizard to complete pairing.
Windows 8.1/10/11 (Plug and play)
-
Plug the adapter into a computer connected to the Internet.
Note : DO NOT plug the adapter into your computer before disabling the built in Bluetooth. -
Right-click the in the taskbar and choose “Add a Bluetooth Device” or select “Start” > “Settings” > “Devices”. Please ensure to turn on your device’s Bluetooth.
-
Select your Bluetooth device from the list and follow the wizard to complete pairing.
Tips
You can try to adjust the direction of antenna for a better performance when the signal is not stable enough.
Troubleshooting
Why is the Bluetooth function not working and computer shows ” “or “Error
Code 31”?
The built-in Bluetooth in your computer is not disabled, causing the adapter
cannot enable the driver, please disable it:
- Remove the adapter, then go to “Device Manager” > double-click the Bluetooth icon > right-click “Intel(R) Wireless Bluetooth” > select “Disable device” > click “Yes”.
- Replug the adapter.
Note Default Bluetooth: Generic Bluetooth Radio, Intel(R) Wireless Bluetooth (R).
What should I do if the Bluetooth icon doesn’t appear?
- Ensure there are no other Bluetooth devices installed on the computer. If there are, disable all existing Bluetooth devices in “Device Manager”, then insert the adapter and try again.
- Sometime the Bluetooth icon may be hidden: select “Start”= > “Settings” > “Devices” > Click “More Bluetooth Options” > “Options” > Check “Show the Bluetooth icon in the notification area”.
Why can’t I find my Bluetooth device?
- lease make sure that your device supports Bluetooth.
- Please ensure your Bluetooth device is in pairing mode.
- Keep your Bluetooth device around/near the adapter at a range of 60m/197ft.
- Please replug the adapter.
Can the adapter connect to multiple devices at a time?
The adapter can connect up to 5 Bluetooth devices, such as
headphones/speakers, keyboards, mice, game controllers, and phones. However,
if two Bluetooth audio output devices (like headphones/speakers) connect to
the adapter, only one will work.
Warranty Information
A limited 2-year warranty applies to all UGREEN products purchased from UGREEN official store or authorized sellers. Please feel free to contact us if you run into any problems.
FCC Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
This device may not cause harmful interference, and (2) This device must
accept any interference received, including interference that may cause
undesired operation.
Warning: Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate the
equipment.
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more
of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
FCC NOTE: The manufacturer is not responsible for any radio or TV
interference caused by unauthorized modifications or changes to this
equipment.Such modifications or changes could void the user’s authority to
operate the equipment. RF warning statement:
This device comply with FCC SAR requirements. The highest reported 1g-SAR for
body is 0.15W/kg, the SAR limit is 1.6 W/kg averaged over 1g of tissue. Body-
worn Operation:
This device was tested for typical body-worn operations. To comply with RF
exposure requirements, a minimum separation distance of 5 mm is used between
the user’s body, including the antenna.Body-worn accessories that do not meet
these requirements may not comply with RF exposure requirements and should be
avoided. Use only the supplied or an approved antenna
IC Statement
This device complies with Industry Canada license-exempt RSS standard(s).
Operation is subject to the following two conditions:
- this device may not cause interference, and
- this device must accept any interference, including interference that may cause undesired operation of the device.
This Class B digital apparatus complies with Canadian ICES-003.
This device has been tested for compliance with SAR values at typical body-
worn operation. To ensure that RF exposure levels are below tested levels, use
accessories with this equipment to maintain a minimum separation distance of
5mm between the user’s body and the device. The highest SAR value reported
during product certification for use when properly worn on the body is
0.15W/kg.
Important WEEE Information
This symbol on the product(s) and/or accompanying documents indicates that,
under the new Directive 2012/19/EU on waste electrical and electronic
equipment (WEEE), product(s) used electrical and electronic equipment (WEEE)
should not be mixed with general household waste. For proper treatment,
recovery and recycling, please take this product(s) to designated collection
points where it will be accepted free of charge. Disposing of this product
correctly will help save valuable resources and prevent any potential negative
effects on human health and the environment, which could otherwise arise from
Inappropriate waste handling.
Please contact your local authority for further details of your nearest
designated collection point. Penalties may be applicable for incorrect
disposal of this waste, in accordance with your national legislation. For
professional users in the European Union
If you wish to discard electrical and electronic equipment (EEE), please
contact your dealer or supplier for further information.
For disposal in countries outside of the European Union
This symbal is only valid in the European Union (EU), If you wish to discard
this product please contact your local authorities or dealer and ask for the
correct method of disposal.
RF warning statement:
Limit for General Population/uncontrolled exposure should be applied for this
device, it is 2.0 W/kg as averaged over any 10 g of tissue. The highest
reported 10g SAR for body is 0.088W/kg.
Body-worn Operation:
This device was tested for typical body-worn operations. To comply with RF
exposure requirements, a minimum separation distance of 5mm is used between
the user’s body, including the antenna. Body-worn accessories that do not meet
these requirements may not comply with RF exposure requirements and should be
b. Use only the supplied or an approved antenna.
Product name : Bluetooth Adapter
Product model : CM749
Manufacturer: Ugreen Group Limited
Operation frequency (Max power): Bluetooth: 2400MHz-2483.5MHz;
Max Output Power(EIRP): Bluetooth: 9.4dBm Max;
Operating Temperature : 0°C-40°C
| BE| BG| CZ| DK| DE| EE| IE| EL| ES| FR
---|---|---|---|---|---|---|---|---|---|---
HR| IT| CY| LV| LT| LU| HU| MT| NL| AT
PL| PT| RO| SI| SK| Fl| SE| UK| |
This product can be used across EU member states.
SIMPLIFIED EU DECLARATION OF CONFORMITY
The simplified EU declaration of conformity referred to in Article 10(9) shall
be provided as follows:
Hereby, Ugreen Group Limited declares that radio equipment type CM749 is in
compliance with Directive 2014/53/EU, and this product is allowed to be used
in all EU member states. The full text of the EU declaration of conformity is
available at following company website:https://w-
ww.ugreen.com/download/
SIMPLIFIED GB DECLARATION OF CONFORMITY
Hereby, Ugreen Group Limited declares that radio equipment type CM749 is in
compliance with Directive UK Radio Equipment Regulations (SI 2017 No.1206),
and this product to be used in all UK.The full text of the GB declaration of
conformity is available at following company
website:https://[www.ugreen.com](http://www.ugreen.com)/download/
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