USER INTERFACE FEATURES
• 2.5” graphical backlit monochrome LCD (132 x 64 pixel resolution)
• Voicemail support
• Reversible desk and/wall mount
• Unicode UTF-8 character support
• Multilingual user interface including Chinese, Danish, Dutch, English (Canada/ US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, and Swedish

FEATURE KEYS

• 4 context-sensitive “soft” keys
• 2 line keys with bi-color (red/green)
• LED “Home” feature key
• 4-way navigation key cluster with centre “Select” key
• 2 volume control keys
• Dedicated key for Back and Home, Hold and Transfer, Hands-free speaker phone, Headset and Microphone Mute.

AUDIO FEATURES

• HD Voice delivers lifelike voice quality for each audio path handset,
  the hands-free speakerphone, and the optional headset
• Acoustic Fence technology removes background office noise heard by far end when using handset or wired headset
• Poly Acoustic Clarity technology providing full-duplex conversations, acoustic echo cancellation and background noise suppression.

General
• USB 2.0
• USB connectivity to PC
• LED indicator
• USB charging cable (for headset)
Battery
• Talk time: up to 8 hours
• Standby time: 54 hours
• Charging time: 3 hours (5V/1.2A)
DECT
• Wireless range: up to 100m/328 feet
• Secure DECT (level): Step C – authentication –
DSAA2 encryption – DSC2(128bit)
• Cordless Advanced Technology: CAT-iq 2.0
Audio (Headset)
• Microphone type: ECM microphone and MEMS
microphone
• Microphone sensitivity: ECM:-44+/-3dB MEMS:-
42+/-1dB
• Microphone frequency range: 100 Hz-8 kHz
• Speaker size: 13.6 mm
• Speaker sensitivity: 116+/-3 dB@1mW
• Speaker impedance: 32 Ω
• Speaker max output power: 10 mW
• Speaker frequency range: 20 Hz-10 kHz
• Speaker bandwidth – talk mode: 100 HZ-8 kHZ
Easy Call Management
• Answer/End/Reject a call
• Volume up/down
• Microphone mute

USER INTERFACE FEATURES
• 2.8” colour LCD screen (320 x 240 pixel resolution)
• Voicemail support
• WebKit-based browser
• Adjustable base height
• Unicode UTF-8 character support
• Single USB port (2.0 compliant) for media and storage applications
• Multilingual user interface includingChinese, Danish, Dutch, English(Canada/US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish and Swedish

AUDIO FEATURES FROM POLY
•HD Voice delivers lifelike voice quality for each audio path handset,
the hands-free speakerphone, and theoptional headset
• Acoustic Clarity provides full-duplex conversations, acoustic echo cancellation and background noise suppression
• Acoustic Fence technology removes background office noise heard by far end when using handset or wired headset
• Computer Audio Connector app installed on your PC (Windows only) lets you to play computer audio through your VVX phone and use your phone as
a microphone
• Type 1 compliant (IEEE 1329 full duplex)
• Frequency response—150 Hz—7 kHz for handset, optional headset and handsfree
speakerphone modes
• Codecs: G.711 (A-law and μ-law), G.729AB, G.722, iLBC, OPUS
• Individual volume settings with visual feedback for each audio path
• Voice activity detection
• Comfort noise generation
• DTMF tone generation (RFC 2833 and in-band)
• Low-delay audio packet transmission
• Adaptive jitter buffers
• Packet loss concealment
• OPUS support

General
• 5 feature buttons
• 2 micro USB 2.0 port
• USB connectivity to PC and IP phone
• Integrated busylight LED indicator
• Boom arm adjustable: 320°
• Charging stand (for headset)
Battery
• Talk time: up to 13 hours (Mono), up to 14 hours
(Dual)
• Standby time: 90 hours (Mono), 125 hours (Dual)
• Charging time: 2.5 hours (5V/1.2A)
DECT
• Wireless range: up to 160m/525 feet
• Secure DECT (level): Step C: authentication –
DSAA2, encryption – DSC2 (128bit)
• Cordless Advanced Technology: CAT-iq 2.0

The BH71 Mono Bluetooth Wireless Headset has the following features:

Weight
• Headset: 18g
• Charging Case: 65g
• Carrying Case: 52g
• Station: 359g
Station
• Screen: 3″
• Wired Connectivity:
1 Micro USB 2.0, 1 Type-C USB 3.0
• AC Power Supply: 15V
• Power Consumption: Max 23W
Bluetooth (Headset)
• Bluetooth Version: Bluetooth 5.2
• Bluetooth Profile: HFP 1.7, A2DP 1.3, AVRCP 1.6
• Bluetooth Pairing List: 8
• Simultaneous Bluetooth Connections: 2
Bluetooth (Station)
• Bluetooth Version: Bluetooth 5.0
• Bluetooth Profile: HFP 1.7, A2DP 1.3, AVRCP 1.3
• Bluetooth Pairing List: 8
• Simultaneous Bluetooth Connections: 2
Supported PC/Smartphone Operating Systems
• Microsoft Windows®, Apple Mac OS, Android, iOS
Supported Devices
• PC, Yealink SIP Phone*, Smartphone, BT51A
Battery Headset
• Battery Type: Rechargeable Lithium-ion
• Battery Capacity: 160mAh
• Talking Time: 10-hour
• Music Time: 10-hour
• Charging Time: Up to 90min

• • All-in-one design, easy to mount on the TV
  • Android 7.1 OS
  • 4K resolution ratio, 4x e-PTZ camera, and 103° wide-angle lens
  • Built-in 6 beamforming microphone arrays with directed voice pickup
  • Built-in Bluetooth
  • Built-in dual-band Wi-Fi (2.4GHz/5GHz)
  • Supports wireless content sharing
  • H.265/HEVC video codec, resists up to 30% video packet loss
  • Supports collaboration features (interoperable with whiteboard and annotation on content sharing)

• • 1080P/60FPS and 5x optical PTZ camera
  • 83° horizontal field of view
  • H.265/HEVC video codec, 1080P from 512Kbps bandwidth
  • Super packet loss recovery technology (video resistant up to 30% and audio resistant up to 70%)
  • Two HDMI output and two HD content input (HDMI + Mini-DP)
  • Supports wireless content sharing
  • Three audio options: one microphone array, one conference phone CP960 or a pair of wireless microphones
  • Supports collaboration features (interoperable with whiteboard and annotation on content sharing)
  • Deeply integrate with leading cloud platforms: Yealink Cloud Management Service (YCMS), Yealink Meeting Server, StarLeaf, Pexip, Zoom, BlueJeans, EasyMeet, Videxio

• • Built-in 24-site multipoint and can be divided into two virtual meeting rooms
  • 1080P/60FPS and 12x optical PTZ camera
  • H.265/HEVC video codec, 1080P from 512Kbps bandwidth
  • Super packet loss recovery technology (video resistant up to 30% and audio resistant up to 70%)
  • CTP20 Collaboration Touch Panel
  • VCM34 Video Conferencing Microphone Array
  • Two HDMI output and two HD content input (HDMI + Mini-DP)
  • Supports wireless content sharing
  • Support ‘1+8’ multi-camera solution with VCC22
  • Deeply integrate with leading cloud platforms: Yealink Cloud, Yealink Meeting Server, StarLeaf, Pexip, Zoom, BlueJeans, EasyMeet, Videxio

• • Full HD 1080p video calling (up to 1920 x 1080 pixels);
  • 720p HD video calling (up to 1280 x 720 pixels) with supported clients
  • 264 UVC 1.5 with Scalable Video Coding (SVC)
  • 4X digital zoom in Full HD
  • Rightlight 2 Technology for clear image in various lighting environments (even low light)
  • Digital Pan, Tilt and Zoom from remote
  • Integrated full duplex speakerphone with echo and noise cancellation
  • 360o wideband audio with 12-foot diameter range
  • Bluetooth and NFC wireless technology
  • LEDs for speakerphone streaming, mute, hold, and Bluetooth wireless pairing
  • Dockable remote control for camera/speakerphone functions
  • 10-foot range remote control
  • Rechargeable Battery supports up to 3 hours video conferencing or screen mirroring time; 15 hours for Bluetooth audio. Time to charge battery (from ACpower, device idle): 3 hours