The CP930W not only ensures you up to 24 call hours, but also deliver the first-rate audio quality to you with the Yealink Noise Proof technology that your conference calls will be filled with the dynamics they deserve. In addition, the wireless design entirely frees you from the network and power outlets troubles and makes your conference table more uncluttered than ever before. Another smart feature is that Yealink CP930W provides wireless and wired pairing with your mobile staff – smartphone or PC/tablet via Bluetooth and USB Micro-B port to merge all these three devices, your smartphone, PC/tablet, and CP930W into one hybrid UC meeting. Making your conference calls be mobile and flexible via Yealink CP930W which abandons the limitation of conference rooms and holds meetings anywhere you want within DECT coverage. Features 3.1' 248x120-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 array Optima HD voice, full duplex technology 20-foot (6-meter) and 360-degree microphone pickup range Yealink Noise Proof technology 5-way conference call Connect to PC via Micro USB port Connect to mobile phone via Bluetooth Hybrid UC meeting Work with Yealink W60B Base Station