Brand new, unopened Compatible devices: iPhone, smartphones, laptops, computers Hardware interface: USB 3.1 Type-C Microphone: Built-in Format: WAV Headphone jack: Type-C [2025 Upgrade Version] The 2025 AI upgrade version utilizes imported AI chips and DSP noise reduction chips, achieving more powerful performance. The sound is as clear as if recorded from a long distance. [High-Precision Motherboard] The product is composed of a highly reliable, high-precision motherboard and a high-performance, long-lasting premium battery. Designed and manufactured with the help of German engineers, it has sold millions of units worldwide. [Overwhelming High Performance] Utilizing high-end AI chips and a high-performance battery, it features dual-chip noise reduction, ultra-clear sound detection, and long-distance recording up to 15 meters.