Use headphones that sound as good as they look with the Master & Dynamic MW07 True Wireless Earphones. Featuring handcrafted acetate, these in-ear headphones offer superior sound on the go. Additionally, the MW07 True Wireless Earphones come with innovative components including custom 10mm Beryllium drivers, Fit Wings and advanced antenna technology. Likewise, the silicone Fit Wings come in two detachable sizes for a secure and comfortable in-ear fit. The headphones pair to your device via Bluetooth 4.2, providing more than 65 meters of connectivity. The earphones even use optical sensors to detect placement in your ear and play or pause automatically. Moreover, the MW07 earphones come with a hand-polished stainless steel charging case. Holding three extra charges, the case delivers up to 14 hours of additional listening time.