Photo 1 of Jaybird X4 Wireless Bluetooth Headphones for Sport, Fitness and Running, Compatible with iOS and Android Smartphones: Sweatproof and Waterproof - Storm Metallic/Glacier

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Photo 1 of Jaybird X4 Wireless Bluetooth Headphones for Sport, Fitness and Running, Compatible with iOS and Android Smartphones: Sweatproof and Waterproof - Storm Metallic/Glacier