【Wireless Upgrade】Transform your car's wired CarPlay or Android Auto to wireless, enhancing convenience and eliminating cable constraints. 【Dual-Band Wi-Fi】Utilizes 2.4GHz and 5.8GHz bands for fast data transmission and low latency, ensuring smooth connectivity. 【OTA Updates】Supports over-the-air upgrades and online feedback for quick problem resolution and continued improvement. 【Seamless Integration】Maintains compatibility with original car controls, including buttons and knobs, for a familiar user experience. 【Original Sound Quality】Compatible with the car's built-in microphone, preserving the original audio quality for calls and voice commands. 【Wide Compatibility】Works with iPhone 6 or later (iOS 10+) for CarPlay and Android smartphones (Android 11+) supporting Android Auto. Specifications: Model: EC04-C CPU: Allwinner V851S Wi-Fi Module: Realtek 8733BS MFI Chip: MFI 3959 Input Voltage: DC 5V±0.2V/1.0A Power Consumption: 0.75W Wi-Fi Frequency: 5150-5250MHz, 5725-5850MHz / 2412-2472MHz Bluetooth-compatible Version: 5.2 Working Temperature: -20℃ to 70℃ Storage Temperature: -30℃ to 80℃ Resolution: Adaptive (maintains original protocol resolution) Language: Automatically switches according to vehicle language environment Compatibility: Cars with factory wired CarPlay or Android Auto