Jabra Speak 810 USB Bundle with USB Dongle | 3 Pack Special | Conference Room Speakerphone | Bluetooth, NFC, 3.5mm | UC Compatible, Softphones, Smartphones, Tablet, PC, MAC | UC Version #7810-209 Jabra Bundle Includes a 3 pack: Jabra 810 Speakerphone and Jabra USB Bluetooth Dongle Bluetooth Range: Up to 100 ft (30 meters) range to other Bluetooth Class 1 devices. Ideal for rooms with up to 15 attendees. If you do not have a Class 1 Bluetooth Device you will only get up to 30ft (10 meters) range. Jabra Professional Microphones: No need for extra microphone wires nor external microphones. The Jabra Speak 810 has Zoomtalk Microphones are Intelligent directional microphones that focus on human voice and not noise. NOTE: In order to operate and use the Jabra Speakerphone 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 when the speakerphone is powered up. The Speak 810 has an extra USB recharging port for your smartphone or tablet during your presentation. Unified Communications - Out of the box integrated call functions for Cisco, IBM Sametime, Avaya, Lync, OpenStage, Skype for Business. If you are not using a unified communications platform it will function the Speak 810 still functions as an exceptional speakerphone.