YMOO DS400+ HiFi Headphone Amplifier USB DAC Decoding Format for 768K/32Bit DSD512 Audio, Compatible with 3.5mm/4.4 mm BAL/Optical/Coaxial Output for Windows 7/10/Android/iOS : Amazon.com.au: Electronics
Amazon.com: Audiolab Portable Headphone Amplifier Audio Powered USB DAC Headphone Amp for Phone (Android,USB-C Port) : Electronics