Product information:
Plug diameter: USB
Frequency response range: 20-20000 (Hz)
Impedance: 32 (Ω)
Earplugs/earmuffs material: plastic
Headphone cable material: wireless
Colors: White, Black
Headphone battery: 300mAh
Power input: DC 5v
Music playing time: about 10 hours
Headphone charging time: about 3 hours

Packing list:
Headphone + Charging Cable + Instruction Manual*1