Jabra Evolve 65e, Wireless, 20 - 20000 Hz, Office/Call center, 1.27 oz (36 g), Headset, Black Jabra Evolve 65e. Product type: Headset. Connectivity technology: Wireless, Bluetooth. Recommended usage: Office/Call center. Headphone frequency: 20 - 20000 Hz. Wireless range: 1181.1" (30 m). Weight: 1.27 oz (36 g). Product color: Black https://www.digitalreviews.net/reviews/audio/jabra-evolve-65e-the-latest-active-noise-cancelling-neckbuds-for-businesses.html Jabra has been instrumental in popularising soft neckband earbuds or “neckbuds”: basically wireless earbuds that are connected together and slung around your neck. Looks cool, you can't lose them easily, fantastic battery life and more control over everyt... The purchase of the Jabra Evolve 65e at AUD473 is a no brainer for office professionals or mobile workers that are constantly on the phone.For others it's probably nice to have but most likely on the dear side.Highly recommended for its built quality, use...