• 4-inch multi-touch screen with 480x800 resolution
• Optima HD voice, full duplex technology
• Yealink Noise Proof Technology
• Built-in Bluetooth 4.2
• Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n)
• Wi-Fi and DECT mode switchable (Switch via one-touch)
• Built-in battery
• Up to 15-hour talk time (in ideal conditions)
• Up to 167-hour standby time in DECT mode (in ideal conditions)
• 4 hours charging time
• 20-foot (6-meter) and 360-degree microphone pickup range
• Built-in 6-microphone array for voice pickup
• 5-way conference call
• Hybrid UC meeting