Main Features‎:‎ ● 3.5mm plug‎,‎ easy to pair with most audio devices‎.‎● DSP noise reduction‎,‎ bring you beautiful sound effect‎.‎● Foldable design and adjustable length of head beam‎,‎ convenient and comfortable‎.‎● No built‎-in mic‎.‎ Wearing type‎:‎ Headband Function‎:‎ HiFi‎,‎Noise Cancelling Language‎:‎ English Material‎:‎ PC Connectivity ‎:‎ Wired and Wireless Application‎:‎ Computer‎,‎For iPod‎,‎Mobile phone‎,‎Portable Media Player Plug Type‎:‎ 3.5mm Cable Length ‎(‎m‎)‎‎:‎ 1.2m Frequency response‎:‎ 20‎-20000Hz Impedance‎:‎ 32ohms Sensitivity‎:‎ 105±3 dB FM radio‎:‎ No Bluetooth‎:‎ No 0.241 Package weight‎:‎ 0.277 kg Product size ‎(‎L x W x H‎)‎‎:‎ 15.00 x 6.50 x 16.50 cm / 5.91 x 2.56 x 6.5 inches Package size ‎(‎L x W x H‎)‎‎:‎ 18.00 x 7.00 x 18.00 cm / 7.09 x 2.76 x 7.09 inches Package Contents‎:‎ 1 x Headphones‎,‎ 1 x Audio Cable