Designed to be worn and used all day and in any situation, the SBH80 is discreet and suits any type of clothing style. Wear it at work, at home, indoors or outdoors. The main unit and headphone exterior are splash-proof so you don't have to worry if it rains. Worn on the neck, this Bluetooth® wireless headset is perfectly balanced; two ultra-thin smart-memory metal strips rest lightly on your shoulders. You hardly know it's there. The SBH80 adapts itself to your body and stays there. It's not just the optimal wearability, stunning Sony craftsmanship and ease of use that makes this Bluetooth® wireless headset great. The sound is superb. The SBH80 has aptXTM audio enhancement - a high-quality audio codec designed to deliver a flawless wireless experience. Enjoy music as it was meant to be enjoyed - with pure deep bass and clean clear highs. The high-definition micro dynamic drivers in the SBH80 deliver the clarity and frequency accuracy required for the best in-ear audio experience. And with specially made double-layer housings in high-strength magnesium, you get crystal clear mid to high range sound and overall rich audio. The materials and shape of the ear buds in these premium headphones are designed for maximum background noise cancelling. The ear opening is perfectly sealed, ensuring you get the best quality music experience. This SBH80 headset is HD Voice ready. HD Voice, also known as wideband audio, lets the person you're talking to experience your voice as it really sounds - natural. HD Voice fades or cuts out background noises and makes it easy to recognise voices. It has double microphones. Whichever way your head is turned you're always close to the microphone, so your caller gets a clear and even calling experience. The Stereo Bluetooth® Headset SBH80 is compatible with all popular smartphones, tablets and laptops. Manufacturer warranty for US version sold by authorized US Sony Mobile Internet Dealers.