Battery
Talk time	8 h
Battery recharge time	2.5 h
Battery voltage	5 V
Standby time	54 h
Headphones
Ear coupling	Intraaural
Headphone frequency	20 - 14000 Hz
Driver unit	1.36 cm
Microphone
Microphone type	Boom
Microphone frequency	100 - 10000 Hz
Microphone sensitivity	-38 dB
Microphone input impedance	4.8 Ω
Number of microphones	2
Microphone mute
Other features
Buttons quantity	5
Packaging content
Quick start guide
Performance
Product type	Headset
Wearing style	Ear-hook
Recommended usage	Office/Call center
Headset type	Monaural
Product colour	Black
Operating keys	Answer/end call, Multi-key, Mute, Reject call, Volume +, Volume -
Control type	Buttons
LED indicators
DECT connectable
HD voice
Plug and Play
Ports & interfaces
Connectivity technology	Wireless
USB connector	Micro-USB
Frequency response (talk mode)	100 - 8000 Hz
Wireless range	120 m
USB connectivity
Weight & dimensions
Weight	19 g

WH63/WH67 Teams only Headset without Base Microsoft Certified Teams Standard DECT Wireless Headset DECT Headset: - Convertible Multiple Wearing Style Headset - Busylight on headset - Yealink Acoustic Shield Technology