Walkie Talkies, Rechargeable Walkie Talkies with Built-in Li-Po Batteries and 2 USB-C Double-Headed Chargers, Walkie Talkies 4 Pack, 2 Way Radios with 22 FRS Channels for Camping Hiking Cruise

【2023 Rechargeable Walkie Talkies with Built-in Li-Po Batteries】Upgraded walkie talkies comes with 4 x 1200amh built-in lithium batteries and 2 double-headed Type C USB charging cables that allow you to charge all four walkie-talkies at the same time. It is not battery eater, more durable, and user- and eco-friendly. It can be used for 3-4 days after 2-3 hours charging. 【Communication Range and Compatibility】These FRS walkie talkies can reach up to 1.5 miles in densely populated areas, and 3 or more miles in open areas. This UHF walkie talkies has 22 main channels, 121 sub channels, which means up to 2661 combination options to keep you from being bothered by other users nearby. And if you wanna use DURLK Walkie Talkies with walkie talkies of other brands, pls set their channels and sub channels the same. And it can work with GMRS walkies (General Mobile Radio Service). But the setting can be complicated. So you are not suggested to use FRS walkies with GMRS talkies. 【VOX Walkie-Talki