Lindy 19003 headphone

Earphone Universal, black / chrome, 2.5mm jack & 3.5mm adapter These headphones have a 2.5 mm plug and a short 2.5/3.5mm adapter cable. This means you can use them on devices with both 3.5 mm and 2.5 mm outlet sockets!

Earphones with 2.5 mm stereo jack
Color: black/chrome
Frequency: 20~20000Hz
Impedance: 32 Ohm +/-15%
Noise sound level: 108dB~112dB+/- 2dB/mW (at 1Khz)
max. power consumption: 30mW
Cable length approx. 1 m to 1st earphone, 1.3 m to 2nd earphone
Adapter cable 2.5mm to 3.5 mm connector, approx. 30cm
including soft black bag, approx. 10 x14.5cm