Foldable, durable and lightweight, the Roboz on-ear headphones are designed for the everyday user. Equipped with soft, cushioned, noise reducing ear-cups and a built-in high sensitivity microphone, these headphones feature ultra-clear sound quality with noise reduction & echo cancellation technology. Bluetooth® 4.1 wireless technology and a wireless range of up to 33 feet (10m). Built-in rechargeable battery enables up to 8 hours of talk time or audio playback.