Specification: Input/output port: 3.5mm studio input Lithium battery capacity: 1500mAH Amp using time: more than 8 hours Amp battery voltage: DC3.7V - 4V Amp internal working voltage: ±4V SNR>100Db THD+N=0.0003% Output power: 40Mw in impedance 16Ω Adapted headphone impedance: 10-150Ω Size: 97*60*15(L*W*H) Package Content: 1 x Headphone Amplifier 1 x USB Power Cable 1 x Audio Cable 1 x User's Manual
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