Usage Tips:Easy-to-Use Bass Amplifier: The headphone bass amplifier is designed for simplicity and ease of use. All parameters are clear and straightforward, making it easy to achieve the perfect sound.Three Built-In Speaker Simulations: This amplifier features three built-in speaker simulations, each based on the modeling of the world's most famous amplifiers. Each simulation offers a wide range of tone adjustments, allowing you to customize your sound to your .Versatile Sound Options: From clean and natural tones to warm overdrive and even heavy metal, this amplifier has it all. It also features classic speaker sounds and peripheral effects, providing a rich and immersive sound experience.Multiple Modulation Tones and Delays: The amplifier offers three different modulation tones and three delay or reverb tones, enhancing your performance and allowing you to create a variety of soundscapes.Type-C USB Port for Charging and Recording: The amplifier comes with a Type-C USB port, which allows for charging, OTG internal recording, and auxiliary input for backing tracks (AUX IN). This enriches your musical expression and makes your performances even more dynamic.Specifications:3 Built-in speakers tone3 Different modulation tones3 Types of delayed or reverberated tonesBattery Capacity: 600mahProduct Weight:68g or 2.4ozType:for BassColour:BlackMaterial:PlasticSize:9.7x3.5x4.3cm or 3.8x1.4x1.7inchPackage Contents:1 x Amplifier1 x USB Cable1 x Audio Cable1 x English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.