Experience high-quality sound with Tune wireless Bluetooth headset. Experience high-quality sound with Tune wireless Bluetooth headset. The drivers of these headphones are 4 cm in size and have a frequency range of 20-20,000 Hz. The drivers of these headphones are 4 cm in size and have a frequency range of 20-20,000 Hz. They are suitable for studio monitoring, DJ and live monitoring. These headphones are black and come from JBL brand. The form factor of these headphones is the headband, which is the ear cup (on the ear) type. They have wireless technology with Bluetooth and wired connection options. The functions of headphones include wireless, playback control, volume control, rechargeable battery, noise cancellation, noise isolation, active noise cancellation, folding, Bluetooth multipoint and built-in microphone. The impedance of these headphones is 32 ohms. Experience high-quality sound with Tune wireless Bluetooth headset. The drivers of these headphones are 4 cm in size and have a frequency range of 20-20,000 Hz. They are suitable for studio monitoring, DJ and live monitoring. These headphones are black and come from JBL brand. The form factor of these headphones is the headband, which is the ear cup (on the ear) type. They have wireless technology with Bluetooth and wired connection options. The functions of headphones include wireless, playback control, volume control, rechargeable battery, noise cancellation, noise isolation, active noise cancellation, folding, Bluetooth multipoint and built-in microphone. The impedance of these headphones is 32 ohms. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.