Yealink UH38 User Manual

| Hardware Overview | 5
Headset Buttons
No. Button Description
1
Bluetooth on/off Button and
Mobile Talk
• Hold for 5 seconds while the headset is powered off to
enter the Bluetooth pairing mode (the button flashes red
and blue). Then, you can search and connect Yealink
UH38 on the mobile phone.
• Hold for 5 seconds to disable Bluetooth.
• Control button of Bluetooth device call: press to answer,
reject, or end a mobile call.
2 Mute/Unmute Button Press to mute or unmute the microphone.
3 PC Talk Button
Control calls from devices connected to the headset via a
USB cable: press to answer, reject, or end a PC/desk phone
call.
4
Volume up Button
Volume down Button
Press to turn up/turn down volume.
5
(Teams Edition) Teams
Button
• Hold for 2 seconds to activate Cortana integrated in
Teams (this requires Microsoft's support).
• Press to invoke the Teams client.

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