Retevis H-777 Walkie Talkies with Mic, Adults 2 Way Radios Long Range Rechargeable, License-Free, Crystal Audio, for School Work Construction Site(10 Pack)

Diversified FunctionsH777 4.0 FRS two-way radio has 16 channel; the FCC ID is 2AAR8H777; you can also directly talk to walkie-talkies such as RT22 RT27 RT68 RT21 etc; with vox hands free; emergency alarm; power saving; led flashlight; low battery alarm; one-key pairing etc ^^ Easy to Operatemaster the operation method in one minute; ready out-of-box; shortcut keys for VOX; emergency alarm; one-key pairing; night flashlight; allows immediate use by school volunteers with no setup ^^ Handheld Walkie Talkie with Shoulder Micthis speaker microphone is suitable for outdoor enthusiasts; its lightweight; durable; clear sound and swivel clips design makes it makes it an ideal helper for business activities ^^ Upgraded Charging Methodmicro USB up to Type-C; offers faster and more convenient charging options; ensures rechargeable two way radios are always ready for use; ideal for busy environments like schools during events ^^ Emergency Alarmprovides quick access to panic alarm buttons; giving peace of mind to school staff during drills; retail employees facing urgent issues or church security teams during worship