【Active Noise Cancellation】Experience superior sound isolation with ANC technology, allowing you to immerse yourself in your audio without distractions. 【ENC Call Clarity】Enhanced with ENC silicon microphone technology for crystal-clear calls, reducing background noise effectively. 【High-Definition Audio】Equipped with F13 speakers, delivering ultra-high definition sound quality for an exceptional listening experience. 【Touch Controls】Intuitive touch controls for easy operation of your audio and calls on the go. 【Quick Charging】Enjoy rapid charging with magnetic suction for earphones and Type-C charging for the case, providing convenience and efficiency. 【Waterproof Design】IP4 water resistance protects against splashes and sweat, making these earbuds perfect for workouts and outdoor activities. Specifications: Model: A9 PLUS Bluetooth-Compatible Version: 5.4 Compatible Systems: iOS, Android, Windows Waterproof Rating: IP4 Display: 1.5" TFT color screen (80x160 resolution) Battery Type: Polymer Lithium Battery Earphone Battery Capacity: 30mAh Charging Case Battery Capacity: 300mAh Earphone Charging Time: About 1.5 hours Charging Case Charging Time: About 1.5 hours Earphone Playtime: About 6 hours Charging Case Recharge Capability: About 2 times Control Method: Touch Material: ABS+PC Product Weight: 63g