Features High Sensitivity Amplification - Experience enhanced o clarity with a powerful 1000 times amplification, allowing you to capture even the faintest sounds effortlly Versatile Connectivity Options - Easily connect to various devices with a 3.5mm interface, making it for mobile phone recordings and direct headphone driving and Stylish Design - Crafted with a premium aluminium alloy shell, this compact microphone amplifier combines durability with an ele appearance for any setting Strong Anti-Interference Performance - Our stereo switch box minimizes signal loss while providing reliable, clear sound, ensuring your o remains crisp and uninterrupted Compact and Portable Size - Measuring just 65 x 53 x 25mm, this high gain mic amp is easy to store and carry, making it an ential tool for on-the-go o needs Features: 1、Microphone Amp: High sensitivity, ALC automatic level control, 1000 times amplification, which allows you to hear weak sounds. 2、Practical Uses: Directly drive headphones to listen, can be connected to mobile phone recording, and the interface is 3.5mm. 3、Reliable Works: With premium aluminium alloy shell, small size and exquisite appearance, stylish and powerful. 4、Better Designs: This stereo switch box ensures lossl signal as well as strong anti interference performance, very reliable. 5、Smart Carrying: Comes with a compact size of 65 x 53 x 25mm, both the storage and carrying are very convenient. Specification: Item Type: Microphone Amplifier Product Material: ABS, aluminium alloy. Power Supply: DC 5V Interface: Approx. 3.5mm / 0.14in Battery: 250mAh 502030 lithium batter, with built in battery. Package List: 1 x Microphone Amplifier 1 x Power Cord 1 x Headphone Cable Package List 1 x Microphone Amplifier 1 x Power Cord 1 x Headphone Cable