HA6 Portable Headphone Amplifier Mini Audio Amp for Car MP3 MP4 Phones Digital Players and Computers (Black)

It is powered by a built-in lithium battery and has a battery life of about 48 hours.It is charged by the microusb port.When charging,it lights up red and is full of green light. Front-mounted fever-level op amp buffer + professional-grade amp chip for 16-160ohm headphones,high power,large thrust --built-in lithium battery, charging can be used for about 48 hours,charging time is about 2 hours, lithium battery comes with protection circuit --The voltage is too low will automatically shut down --Using Japanese solid state electrolysis for power supply filtering,fast charging and discharging speed,large current,good sound dynamics --Patch SMT process, small interference, beautiful sound --Input and output ports are gold-plated 3.5mm interface,high reliability contact performance --All-aluminum shell,small size,light and easy to carry, suitable for going out,walking, listening to music Size: 85mm*58mm*10mm Weight: 50 grams Signal to noise ratio: 115db Distortion: 0.009%/32 ohms, 130 MW Output power: 0.13W/32 ohms Output impedance: 10 ohms Gain: 5 times Supports headphones with an impedance of 16-160 ohms

• Size: 85*58*10mm,Weight: 0.05KG,Battery capacity 1000 mAh,red light: charging,green light: finished charge.
• SNR: 115db,Impedance:16-150 Ohm,Distortion rate: 0.009%/32 Ohm, 130MW,Output Power: 0.13W*2/32 Ohm,Support 16-160 Ohm headphone(earphone).
• Battery: Built-in Lithium Battery,Power filter: solid state electrolyte,input/output: 3.5mm.
• 48 hours of continuous use after full charge
• The package include: 1*headphone amplifier 1* 10CM 3.5mm aux audio cable