All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: Quantity: 15 . Must be able to mount directly to helmet ARC rails . Around-the-ear earcup design . Must meet noise cancelling standards in accordance with ANSI S3.19-1974 and EN352 . If equipped with batteries, must be enclosed in a watertight compartment. . Adjustable noise cancellation settings . Adjustable radio volume control settings . Suspension must be compatible with high cut helmet models . Must be able to operate to 10 meters of submersion in water. . Must have passed over 1000 boom mic bend durability testing. . Microphone has waterproof screen . Weight no more than approximately 400 grams . Push To Talk (PTT) Specifications: . Operating temperature at least from -30 F to 130 F . Must be compatible with Harris XP-100 radio. . Operating temperature at least from -30 F to 130 F . Has a single PTT button which can be used ambidextrously
