Sony LinkBuds Truly Wireless Earbuds - WFL900/W Used (Not In orginal BOX)

Connect your online and offline worlds Unique open ring driver links your content and what’s happening in your surroundings Crystal-clear conversations with high quality sound Integrated V1 Processor for balanced high-quality sound Precise Voice Pickup technology for crystal clear phone calls Up to 5.5 hours of battery and a total of up to 17.5 hours with the charging case IPX4 splash-proof and sweat-proof design Ultra-small and light for a fit that stays all day Control audio by tapping in front of your ears Adaptive Volume Control optimizes sound to your environment