Amp Internal Voltage: ±4V/1A
Size: 95 x 52 x 13 (L x W x H)
Amp Using Time: More Than 8 Hours
Amp battery voltage: DC3.7V - 4V
Material: plastic
SNR>100Db
Output Power: 40Mw in Impedance 16
THD+N 0.0003%
Lithium Battery Capacity: 600mAH
Adapted Headphone Impedance: 16-300
Package Content:
1 x Headphone Amplifier
1 x USB Power Cable
1 x Audio Cable
1 x User's Manual