Welcome to our store！</br> 1、High Resolution Sound Support: Portable headphone amplifier supports up to 32Bits 384KHZ for PCM and DSD256 for DSD high end decoding. 2、Type C To 3.5mm/4.4mm Interface: Tiny headphone amplifier supports headphones with 3.5MM and 4.4MM interfaces for wider compatibility and power. 3、Compatible: Headphone amplifier supports a wide range of Type C interface devices, supporting Type C interface for smartphones, portable players, tablets and computers. 4、Volume Control: Mini headphone amplifier automatically decodes DSD PCM music at the press of a button. The buttons can control volume, single press to pause or play, double press for the next track, and three consecutive presses for the previous track. 5、Practical: Headphone tiny amps are made of ABS, mini and compact, easy to carry, can be used at home or office while listening to music, playing games or chatting. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Headphone Amps Material: ABS Chip: Dual Chip CS43131 PCM: 32Bits 384KHZ DSD: DSD256 (1BITS 11.2MHZ) Interface: Type C to 3.5MM 4.4MM Frequency: 20 to 20KHZ Output Impedance: 16 to 6000hm Indicator Mode: Red Light for DSD Mode, Green Light for PCM Mode Dual Voltage Adjustable: I: 1.8V, II: 3.6V Product Size: Approx. 55x25x12mm / 2.2x1.0x0.5in Color: Black&nbsp; <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Headphone Amps&nbsp;&nbsp;&nbsp;&nbsp;1 x Type C Cable Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>