eSynic Headphone Amplifier 16~300Ω Headphone Amp Rechargeable 3.5mm USB HiFi
eSynic Portable Headphone Amplifier Rechargeble Audio Digital HiFi Earphone Amp 3.5mm with Two-stage Gain Switch, USB Cable and Aluminum Matte Surface for MP3 MP4 Phones Digital Players and Computer. Uk stock, fast delivery.