Yealink UH38 User Manual

| UH38 Headset Connection | 7
Indicator Description
The green light flashes slowly during
the upgrade
Headset is being upgraded (when the upgrade is complete,
the light of the mobile button, mute button, and PC button flash
simultaneously for 1 second and then the light goes out)
Teams/Voice Assistant Indicator
When the headset activates the voice assistant, the button backlight is always on. When the headset works
with Teams Client, the button backlight is shown below:
Indicator Description
White light flashes slowly Receive a missed call/voice message/meeting
notification
White indicator light flashes slowly and becomes
solid white light
Teams connected successfully
The white light flashes slowly and then the light
goes out
Teams is not connected
UH38 Headset Connection
• Connecting to PC/Yealink IP Phone via the USB Cable
• Connecting to Mobile Device via Bluetooth
• Disable Bluetooth
Connecting to PC/Yealink IP Phone via the USB Cable
Connect the headset to the PC/Yealink IP phone via the USB cable.

Yealink UH38 Specifications

General

Cable length	0.8 m
Headset type	Monaural
Product type	Headset
Certification	FCC
Product color	Black
Wearing style	Handheld
LED indicators	Yes
Operating keys	Answer/end call, Mute, Reject call, Volume +, Volume -
Control unit type	In-line control unit
Recommended usage	Calls/Music
Compatible products	T41S/T42S/T46S/T48S/T42U/T43U/T46U/T48U/ T53/T53W/T54W/T57W/T58A/VP5
Storage temperature (T-T)	-5 - 70 °C
Operating temperature (T-T)	0 - 45 °C
Sustainability certificates	CE
USB connector	USB Type-A
Wireless range	10 m
Bluetooth version	5.1
Connectivity technology	Wired & Wireless
Impedance	32 Ω
Driver unit	35 mm
Ear coupling	Supraaural
Headphone frequency	20 - 20000 Hz
Maximum input power	10 mW
Headphone sensitivity	115 dB
Microphone type	Built-in
Microphone frequency	100 - 14000 Hz
Microphone sensitivity	-44 dB
Microphone direction type	Unidirectional

Weight and Dimensions

Weight	110 g