【Compatible and Interoperable】H-777 4.0 designed for strong compatibility with H-777 2.0 & 3.0 version and other Retevis FRS two way radios; like RT22; RT68; H777H; H-777S; B3H etc; facilitating team communication
【Instant Operation】dedicated keys for VOX; emergency alarm; one-key pairing; LED flashlight; enables immediate communication without complex setup; ideal for quick deployment during school events
【Rechargeable Walkie Talkies for Adults】Type-C direct charging and charging base station; 1000mAh lithium-ion battery; power-saving mode; ensures 12-hour continuous operation for fieldwork or event coordination
【Clear Communication】upgraded big speaker port & 0-9 level squelch; 2 way radio delivers loud and crisp audio even in noisy school hallways or school group activities
【Portable Walkie-Talkie to Carry】weighs only 0.26lb; features compact dimensions 4.02x2.20x1.34inch and a short antenna; minimizes fatigue for comfortable all-day wear by school staff during long events
