Unopened and unused. Quoted from the sales site below: Synco Xview M4 Phone Blog Selfie Monitor Rear Camera Monitor Video Transmission Live Streaming, TikTok, iPhone Compatible Magnetic Silicone Case Say goodbye to selfies with the front camera! With the XView M4, you can take sharper, more vivid shots with your smartphone's high-quality rear camera. Ultra-low latency of 40ms and SYNCO's advanced technology provide smooth, real-time monitoring. Both visuals and audio are clear, perfect for content creation. It uses powerful N56 neodymium magnets to securely attach to the back of your smartphone or metal surfaces, providing a stable anti-slip effect. Power consumption is only 1.75W and operates silently, making it ideal for ASMR and quiet shooting. The 1300mAh battery allows for up to 3 hours of continuous use. Smart power management minimizes unnecessary consumption while providing long-lasting performance. Wireless P2P technology enables uninterrupted, lag-free transmission up to 50m (also supports WiFi connection). In addition, the Bluetooth remote control allows you to operate your smartphone from a range of up to 10m. You can shoot vlogs, selfies, live events, etc., without touching your smartphone. With 480P resolution and 400cd/m² brightness, it provides sharp images and accurate color reproduction. It guarantees clear images from bright daylight to low-light environments. The rounded corner design and intuitive operability provide a comfortable user experience.