After the product is upgraded to a 2-in-1 charging cable, it is suitable for almost all Headsets (including the appropriate B450-XT). Compatible with BlueParrott Headset and Jabra headphones usb Professional charging cable Compatible for BlueParrott B650-XT B450-XT B350-XT,S450-XT,B250-XTS C300-XT ms C400-XT B350XT B550-XT Headset, Compatible for Jabra Engage 65 75, Jabra Elite 75t Elite 85t 85h Elite Active 75t Headphones (USB cable is compatible with headsets, earbuds/Headphones or charging cases that require a USB wire) Package Included: – wall charger & USB Charging Cable 3.3FT 1 Pack for wireless Headset?Only charging cable, earphones not included). Super Durability - High flexural endurance design makes it keep extra-long bend lifespan. Why Choose Us: We strive to offer qualified products to customers and take full responsibility for the quality. of our products. Save your money, save your time! After-sales policy: Our products have passed rigorous testing and can be purchased with confidence. We will provide 365 days of after-sales warranty service.