Compatible Devices Retevis PMR446 Walkie Talkies, Headphones, Antennas. Water Resistance Level Water Repellent. Frequency Range 446.0 to 446.2 MHz. Temperature Range -20-50C Degrees Celsius. K 2 pin earpiece; ergonomic design makes it comfortable for long wear; boosting team morale; it fits snugly in your ears to block out background noise; making sure your communication is crystal clear.
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