Always on the move
TWS - wireless headphones, give yourself free hands and enjoy stereo sound. Immerse yourself in the world of music with a range of up to 10m.
Hello! How can I assist you today?, Google
The headphones are compatible with voice assistants. Google Hi Siri.
Bluetooth 5.0
Lower energy consumption and stable connection thanks to the use of Bluetooth technology. 5.0.
Touch panel
Control conveniently using the touch panel:
- double tap - play/pause, answering and ending phone calls
- press for 2s - change track
- triple tap - activate voice assistant
Automatic pairing
Seamless, automatic pairing of the headphones when taken out of the case.
HiFi Stereo
High-quality craftsmanship goes hand in hand with the excellent sound provided by UGREEN headphones.

Long working hours
Up to 18 hours of work with the case - you don't have to worry about frequent charging. The headphones themselves, when fully charged, work for up to 3 hours.
Compact and comfortable
You can always have them with you thanks to their small size - they will easily fit in your pocket, backpack, or bag. Choose one of the three included tips to best fit the headphones to your ear.
In the set

Hello! How can I assist you today?, Google
The headphones are compatible with voice assistants. Google Hi Siri.

Bluetooth 5.0
Lower energy consumption and stable connection thanks to the use of Bluetooth technology. 5.0.

Touch panel
Control conveniently using the touch panel:
- double tap - play/pause, answering and ending phone calls
- press for 2s - change track
- triple tap - activate voice assistant

Automatic pairing
Seamless, automatic pairing of the headphones when taken out of the case.

HiFi Stereo
High-quality craftsmanship goes hand in hand with the excellent sound provided by UGREEN headphones.


Compact and comfortable

Bluetooth TWS headphones x 1 |
---|
Charging case x 1 |
Rubber inserts x 3 |
Micro USB charging cable x 1 |
Specification
Producer | UGREEN |
---|---|
Model | CM338 |
Product code | 80311 |
Bluetooth version | 5.0 |
Interface | Micro USB |
Loading time | 1 hour |
Working time | 3 hours, 18 hours in the charging case. |
Battery capacity of the headphones. | 30 mAh |
Battery capacity of the case | 480 mAh |
Speaker | 13 mm |
Frequency | 20 – 20000 Hz |
Range | 10 m |
Weight | 3.5 g |
Color | Black |
UGR406BLK
Data sheet
Type | in-ear headphones |
---|---|
Country of origin code | CN |
Color | black |
Model | CM338 |
Connectors | Micro USB Type B (female) |
CN code | 85183000 |
Battery capacity (mAh) | 480 |
Type of packaging | Box |
Specific References
ISBN | RCPRO-18263 |
---|---|
EAN13 | 6957303883110 |
MPN | 80311 |
Tab Content
Information about responsible entities
Ugreen Group Limited
Manufacturer
Country: CN
Street: Longguanxi Road
Postal Code: 518100
City: Shenzhen
Mail: support@ugreen.com Phone: +8675528066530
Ugreen Group GmbH
Country: DE
Street: Prinzenallee 1
Postal Code: 40549
City: Düsseldorf
Mail: support@ugreen.com Phone: +49(0)1728130175