ZBPWL Plug Amp - 3.7V 300mAh 8 hours 3.5mm

Domary Guitar Plug Headphone Amp - Built-in Distortion Rechargeable lithium battery

OUNA Guitar Plug Headphone Amp - Compact Portable Built-in Distortion

Eacam Electric Guitar Amp - 10W 3.7V/2000mAh

Joleritc Guitar Plug Headphone Amp - Built-in distortion Compact

Xixian F1R - Mini headphone guitar amp True analog circuit

DFHJ F1R - Mini Headphone Guitar Amp 3.5mm AUX

HXBER F1R - Mini Headphone Guitar Amp Amplifier 3.5mm AUX Plug-and-Play

aqxreight Guitar Amp - British Distortion 40 Hours

Pepisky Mini Amp - 3 Built-In Speaker Simulations Type-C USB

Joleritc Mini Amp - Portable Headphone Type-C