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 3.5 mm interface, high reliability contact performance--All-aluminum shell, small size, light and easy to carry, suitable for going out, walking, listening
to musicSize:
85mm*58mm*10mmWeight: 50
gramsSignal to noise ratio:
115dbDistortion: 0.009 %/32 ohms, 130
MWOutput power: 0.13W
/32 ohmsOutput impedance: 10
ohmsGain: 5 timesSupports headphones with an impedance of 16-160 ohms