Features: For H70 headset, Effective noise reduction and provide clear sound quality. 7.1MM for training and gaming, comfortable to wear, adjustable size, interferences resistant Automatic sound pickup; this headphone with left and right two pickup microphones; will not completely isolate external sound For personnel, gamers, security personnel and other professionals who need high quality sound and noise reduction. For exercises, combat training, competitive gaming, security patrols and other environment that require clear communication and hearing. Specifications: Size：about 10x8cm/3.94x3.15in For H70 Radio Headset Package Includes: 1Set Headset note: Due to the different monitors and light effect, the actual color the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring difference due to manual measurement.