Retevis RB48 Heavy Duty Walkie Talkies with Earpiece, Support VOX, MIL-STD 810H,IP67 Waterproof Walkie Talkies Rechargeable, USB-C, 2000mAh, Dual PTT, Business 2 Way Radios(6 Pack)

Military-Grade DurabilityBuilt 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 ProofIP67 waterproof and dustproof; against 0.1 m dense dust; 2 meters drop-proof; passed 1000 2 meter drops without breaking; easily face all kinds of complex and harsh environments ^^ Walkie Talkies Long Rangecan pass through 25-story steel and concrete building; peer to peer communication is stable and effective; much easier to communicate with everyone on all levels;
FCC ID: 2A3OORB48 ^^ Walkie talkies Rechargeable2000mAh lithium battery provides up to 20 hours of battery life; USB-C allows you to charge it at any time ^^ Tri-Reinforced Rib Designreinforced belt clips suitable for long hours and heavy workloads; short and reliable antenna; can storing this unit even in pockets without breaking