DescriptionProduct details of A4Tech HU-9 USB Headphone – Light Weight- With Mic Adds balance and tone to your favorite tunes and clarity to your calls. Stunning Sound Superior Comfort Fully compatible with applications such as calls, Skype, Messenger and other conversations online. Adjustable Headband Volume Switch SPECIFICATIONS HU-9 Headset Speaker Unit: 40 mm Frequency Response: 20 Hz – 20 KHz Sensitivity: 100 Db Impedance: 32 ohm Microphone Frequency Response: 100 Hz -10 KHz Sensitivity : – 42 dB Cable Material: Tangle-Free Cable Cable Length: 180 cm Port: USB System Requirements:Windows 7 / 8 / 8.1 / 10 Mac OS X Specifications of A4Tech HU-9 USB Headphone – Light Weight- With Mic BrandA4TechSKU230104564_PK-1450418371Wearing TypeOver the EarBluetoothNoCable Length1.5m – 2.9m What’s in the box 1 x HU-9 Headphones
