F9-5C TWS Bluetooth 5.0 Earphones 2200mAh Charging Box Wireless Headphone 9D Stereo Sports Waterproof Earbuds Headsets With Microphone, Black

F9-5C Truely Wireless Earbuds Built-in Latest High-quality 5.0 Chip Ensures Low Latency, Incredible Stable And Swift Connection. All Controls By One-key Touch Are Easily Accessible And Clearly Identifiable That Allow You To Control The True Wireless Earbuds . Softly Touch With Both Earbud Could Achieve Volume +/-, Play The Next / The Previous Songs, Answer/reject Calls Or Get Siri, Enjoy The Real Wireless Experience. Adopt Innovative Sweatshield Technology Can Make Waterproof Headphones Easily Resist From Sweat, Water, Rainning. No Longer Worry About Bluetooth Earbuds Will Be Damage During Exercise. F9-5C chip upgrades: Upgrade the 5.0 Bluetooth chip, pick up the automatic boot and match.syi