Edifier USB K5000 Mock Exam Headset Online Class Education Oral Training Headset, Cable Length: 2.8m(Black) Tag-Phone Film Cutter 24inch * 17

24inch * 17

One Package Size 27cm * 23cm * 1cm / 10

One Package Size 45cm * 23cm * 11cm / 17

General Compatible with Apple:  iPhone 6

do not pollute the environment

Edifier USB K5000 Mock Exam Headset Online Class Education Oral Training Headset, Cable Length: 2.8m(Black) Tag-Phone Film Cutter 24inch * 171. Big sound pressure protection, care for students hearing 2. Noise reduction microphone, suppress noise more clearly 3. Using DSP digital signal processing system, high speed real time processing of sound signals, restore rich sound details 4. Plug and play, convenient and fast, no need to install additional driver software 5. Adjustable head beam, comfortable to wear, not tired for a long time 6. Features: Exam headphones, noise reduction