JABRA Speak 710 MS USB/BT & Link370 80014071 7710-309 Product Description: Jabra SPEAK 710 MS - speakerphone Product Type: Speakerphone - Bluetooth - wireless - USB Recommended Use: Phone, computer Connectivity Technology: Wireless Wireless Technology: Bluetooth Bluetooth Version: Bluetooth 4.2 Sound Output Mode: Hi-Fi stereo Microphone Operation Mode: Omni-directional Controls: Mute, volume, phone/music mode