0.529 ounces

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【V5.0 True Wireless Sports Headphones】Unlike traditional gym ear buds, Losei X12 Wireless Earbuds adopt advanced Bluetooth 5.0 Chip and Technology that achieved completely zero wire connection between the two Earphones. Get rid of the cable hung around neck when running/hiking/jogging, you’ll always motivate yourself. Especially built for sports.
【Super Comfortable & Secure Fit】Made of skin-friendly rubber material, plus ergonomic design, the flexible ear hooks not only ensure secure fit, no falling, but also remain super comfy, you will not feel tired and painful when wearing it for a long time. 2 sized soft silicone tips for option, vents in the tips keep pressure equalized on both sides of the ear buds.