Music player function headphone support SD card up to 32GB
Built-in rechargeable Li-ion battery
Battery power last 6 hours
logo printing on is available
packing in color paper box.

Driver unit: 40mm
Impedance: 32 ohm
Sensitivity: 108dB± 3dB
Frequency response: 15Hz to 20KHz
Cord Length: Approx. 1.5m
Plug: 3.5 mm