Modest Design, Easy-to-Use User Interface，Built-in Battery, Wi-Fi and DECT to Minimize Deployment Costs，HD Audio, Smooth Communication，Rich Features and High Expandability

•Enjoy Wireless Freedom •A Better User Experience with Android 9.0 System •HD Audio and HD Video •Improved Security Performance

4-inch multi-touch screen with 480x800 resolution • Optimal HD audio, full duplex technology • Yealink Noise Proof Technology • Built-in rechargeable lithium battery • Up to 15 hours talk time (in ideal conditions) • Up to 75 hours standby time in Wi-Fi mode (in ideal conditions) • 20-foot (6-meter) and 360° voice pickup • Built-in 6-microphone array for voice pickup • 5-way conference call • Hybrid UC meeting • Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n) • Built-in Bluetooth 4.2

• Runs Android 9.0 • 7 inch (1024 x 600) capacitive adjustable touch screen • Supports Yealink Bluetooth Handset BTH58 • 720p30 HD video • Optimal HD audio, Yealink Noise Proof Technology • Yealink’s SDK (Software Development Kit) • DoorPhone Features (Preview, One-button Open, Monitoring) • Built-in Bluetooth 4.2 and Dual Band 2.4G/5G Wi-Fi • 2 x USB 2.0 ports for USB headset, media and storage applications • Up to 16 SIP accounts • Up to 3-party video conferencing • Up to 10-party video/audio mixed conferencing (up to 2 video calls) • Dual-port Gigabit Ethernet, supports PoE • Wall mountable • Supports up to 3 Expansion Module EXP50 • Supports Yealink/Unify Square Device Management Platform