Thank you for viewing. FiiO E5 Portable Headphone Amplifier A compact device that allows you to enjoy high-quality sound, the FiiO E5 was a popular and well-regarded early model from FiiO. Production has already ended, and it is now a hard-to-find item. Operation has been confirmed. • Brand: FiiO • Model Name: E5 HEADPHONE AMPLIFIER • Connection Terminals: 3.5mm jack • Output Terminals: Headphone output • LED Indicator: Blue LED • Power: USB rechargeable • Accessories: Instruction manual Operation has been confirmed. As this is a used item, there are some scratches and minor imperfections from use, but there are no issues with its operation. If you are looking for a discontinued model, please consider it for your collection or for practical use. Immediate purchase is welcome.