Jabra Speak 810 Bundle | Speakerphone Conference Room | Bluetooth, NFC, 3.5mm | UC Compatible, Softphones, Smartphones, Tablet, PC, MAC | Microsoft Certified Version #7810-109 Ideal for rooms with up to 15 attendees Up to 100 ft. range to other Bluetooth Class 1 devices. NOTE: In order to operate and use the speakerphone it must be plugged into the power supply at all times. This unit does NOT contain any compartment for rechargeable batteries. No need for microphone wires nor external microphones. The Zoomtalk Microphones are Intelligent directional microphones that focus on human voice and not noise. NOTE: In order to operate and use the speakerphone it must be plugged into the power supply at all times. This unit does NOT contain any compartment for rechargeable batteries. The USB Charge Port will not power the speakerphone. It will power your Smartphone will the speakerphone is powered up. Recharge your smartphone or tablet during your presentation Microsoft Certified - Out of the box integrated call functions Lync, Skype for Business