Specifications
Power Output	RMS 3W
Impedance	4 Ohm
Speaker Driver	Super Neodymium Magnet Speaker
Driver Units	40mm Ø
Frequency Response	280Hz ~ 16KHz
S/N	≥80dB
Power Supply	USB Cable or Lithium Battery
Battery capacity	300mA, 3.7V
Charge Voltage	5V ± 0.5V
Charging Time	± 2.5 hours
Battery Lasting	± 6 hours
Audio Socket	3.5mm Stereo Jack
Cable Length	7.5cm
Dimension – Closed	71mm(L) x 55.4mm(W) x 38mm(H)
Dimension – Open	71mm(L) x 55.4mm(W) x 73mm(H)
Weight	85g