•5 feature buttons
•2 micro USB 2.0 port
•Built-in ringer on the base
•The busylight will automatically glow red when you are on the call or in the meeting to reduce external interference and improve work efficiency
•Yealink Acoustic Shield Technology
•Four wearing options
•Plug-and-play
•Wireless range of up to 100m
•Talking time of up to 7 hours
•Charging stand for headset
•Four wearing options

•Talk Time: Up to 7 hours
•Standby Time: 54 hours
•Charging Time: 2.5 hours (5V/1.2A)
•Wireless Range: Up to 120m/394 feet
•Secure DECT (level): Step C: authentication – DSAA2, encryption – DSC2 (128bit)
•Microphone Type: Mono microphone
•Microphone Sensitivity: -38.0+/-2 dBV
•Microphone Frequency Range: 100 Hz - 10 kHz
•Speaker Size: Ф 13.6mm
•Speaker Sensitivity: 116+/-3 dB, 0.179 V
•Ringer Size: Ф 20mm
•Ringer Sensitivity: 87+/-3 dB, 0.1 W, 0.1 M

•1 x Headset
•1 x Base
•1 x Headband
•1 x Power Adapter
•1 x USB 2.0 Cable (1.2-meter)
•1 x USB 2.0 Cable (0.8-meter)
•1 x Ear hook
•Ear tips
•Quick Start Guide