Military-Grade Durability-Built to Survive the Harshest Conditions; Tested to MIL-STD-810H; RB48 shrugs off drops; dust; vibration; heat; cold; and everyday abuse; its engineered for frontline reliability ^^ ADVANCED TRIPLE PROOF - IP67 waterproof and dustproof; against 0.1 m dense dust; 2 meters drop-proof; passed 1000 2 meter drops without breaking; suitable for harsh environments ^^ STABLE AND CLEAR - RB48 two way radios support up to 300, 000 sq. ft. /25 floors of long-distance signal range; making communication more convenient and efficient;
FCC ID: 2A3OORB48 ^^ ULTRA-LONG RUNTIME - All-day usage up to 20 hours; you can operate the whole workday without a charge; LCD screen provides high visibility day and night ^^ UPGRADED EARPIECE - with air acoustic tube and silicone in-ear earbuds to ensure that your calls are crystal clear in noisy environments and more comfortable to wear