Portable USB & Bluetooth speakerphone with super wideband audio (Fs 32 kHz) for ample, clear sound. Featuring 360 degrees and a maximum radius of 2 metres (6.6 ft) microphone pick up range with USB connection for laptops. The rechargeable battery will last for up to 10 hours (or longer with USB). For private listening via the headset outlet, the speakerphone is user-friendly with touch sensor buttons.