Designed To Look As Good As They Sound.Our MW07 True Wireless Earphones feature beautiful, handcrafted acetate and come with a hand-polished stainless steel charging case to deliver a premium mobile sound tool. Technically sophisticated components such as custom 10mm Beryllium drivers, proprietary “Fit Wings,” innovative antenna technology and optical sensors that detect in-ear placement to automatically play and pause the earphones demonstrate that when it comes to designing the ultimate true wireless listening experience, no detail is too small.• Charging case3 Additional charges, 14 hours total listening time• Case charge time40% Charge in 15 minutes, full charge in 40 minutes• Earphone charge time1.5 Hours of playtime after 45 minute charge, full charge after 1.5 hours• 10MM Beryllium driver• Battery life - 3.5 Hours• Acetate body, stainless steel case• IP classification - IPX 4 splash proof• Wireless range - 20+ Meters• Microphone type - MEMS, omni-directional• Bluetooth - 4.2 aptXDimensions: (WxDxH) 25 x 22.2 x 28.3 mm (earphones)Dimensions: (WxDxH) 64.6 x 26.8 x 45.1 mm (charging case)Weight: 9g (each)Weight: 76 g (charging case)