Jabra Speak 750 Wireless Speakerphone

Microphone type: Omni-directional (360° pick-up range) Signal to noise ratio (SNR): +70 dB Connectivity: USB 2.0 & Bluetooth – USB cord ~90 cm Bluetooth standard: Bluetooth4.2 – Bluetooth Low Energy (BTLE) Wireless range: Up to 30 m (between speakerphone and Bluetooth adapter), Up to 10 m (between speakerphone and smartphone/tablet) Supported Bluetooth profiles: Headset profile v1.2 , hands free profile v1.6, A2DP v1.2, AVRCP v1.5 Talk-time: Up to 11 hours