3.1” 248×120-pixel graphical LCD with backlight Built-in rechargeable Lithium battery Up to 24-hour talk time Up to 15-day standby time 3.75-hour charging time Built-in 3-microphone…
Optimal HD audio, full duplex technology Yealink Noise Proof Technology 20-foot (6-meter) and 360-degree voice pickup Built-in 3-microphone array Sensitive touch keypad 3.1” 248×120-pixel graphical…
Wireless Mic Package Micro mở rộng không dây Yealink CPW90 Optima HD voice Công nghệ Full duplex Khả năng Thu / Phát 10-foot (3-meter) 360°…
