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Enjoy deep, punchy EXTRA BASS sound in a truly wireless headphone. The WF-XB700 truly wireless headphones keep you going with up to 18 hours of battery life plus quick charging.(1) The Ergonomic Tri-hold structure provides a secure fit, and the IPX4 design gives you long-lasting sound through rain and sweat. Learn more and see these headphones in action with Francois from Sony!
Source: Sony WF-XB700 Truly Wireless EXTRA BASS Earbuds | Product Overview