【3-in-1 Audio Sync Screen Device】Innovatively combines an audio screen mirroring device, BT selfie remote, and foldable universal clip into one compact unit—perfect for live streaming, vlogging, and remote content creation 【2-Inch HD Display with Real-Time Sync】Equipped with a 2-inch high-definition screen that mirrors your phone display in real time with audio, supporting popular video and beauty apps like Tik-Tok 【Dual-Band Wireless Transmission】Supports 2.4G/5G dual-band Wi-Fi and BT 5.0 for ultra-low latency, smooth mirroring, and reliable remote control within a 5–20m range 【Compact and Portable Design】Lightweight at only 66g, with a folding universal clip that attaches securely to most surfaces—ideal for on-the-go shooting setups 【Strong Compatibility and Smart Upgrades】Compatible with iOS 9.0+ and Android 2.0+ systems; supports online firmware updates for multilingual overseas users Specifications: Screen Size: 2-inch HD display Input: 5V/1A Usage Time: 1-3 hours Rated Power: 1.85W Battery Capacity: 850mAh Wireless Network: 2.4G/5G dual-band, BT 5.0 Dimensions: 73.17 x 44.42 x 43.08mm Weight: 66g Compatible Systems: iOS 9.0+, Android 2.0+ Interface: Type-C Upgradeable: Online language upgrades available