Compatible Devices: Smartphone, Tablet, PC Brand: gomyfeer Built-in microphone waveform rate Headphone jack 3.5mm audio jack Number of batteries: 1 AAA battery Product Dimensions: 2 depth x 5 width x 10 height cm ❇️【2025 Upgrade Version】 The 2025 AI upgrade version uses imported AI chips and DSP noise reduction chips, achieving more powerful performance. The sound is as clear as long-distance recording. ❇️【High-Precision Motherboard】 The product is composed of a highly reliable, high-precision motherboard and high-performance, long-lasting premium batteries, designed and manufactured with the help of German engineers, and has sold millions of units worldwide. ❇️【Overwhelming High Performance】 Uses high-end AI chips and high-performance batteries, equipped with dual chips for noise reduction, ultra-clear sound sensing, and long-distance recording up to 15m. Please also take a look! ⭐️⭐️#saki♡noSHOP ⭐️⭐️