HP|HP 938 Black Original Ink Cartridge|Black|1250 pages|HP OfficeJet Pro 9120, 9123, 9130, 9120b, 9130b, 9720, 9730, 9110b|4S6X8PE

Padded headset and comfortable wearing designBuilt-in flexible microphoneConvenient volume controlWork with most phones, MP3 players & computersSuitable for mobile phone or audio devices with 5mm audio input / output connector