Hot JAZZ R7.8 Protable Amplifier HIFI Fever Headphone Audio Power Amplifier Mini Portable Lithium DIY Headphone Amplifier

Brand Name: NICEHCK Model Number: JAZZ R7.8 Built-in Battery: Yes Dimensions (WxHxD): 90*50*13mm Recommended Headphone Maximum Impedance: 251-300 Ohm Package: Yes Output Type: Micro-USB Input T...