National coverage: Utilizing 4G POC cellular one click communication to achieve seamless communication, with unlimited communication range, working nationwide. FCC certification, FCC ID:2BN3L-TS-K8S 365 day annual coverage: Comes with an annual SIM card, enjoying unlimited high-speed data services throughout the year, no platform fees. After the first year, you can renew our service or purchase a new SIM card of your choice to maintain uninterrupted connectivity. (The SIM card has been installed in the card slot and can be used after receiving the goods and opening it on.) Durable and sturdy design: The walkie talkie features a high-quality material body that is shockproof and drop resistant. Durable structure can withstand harsh environments and daily wear and tear. Clear audio: The AI-K8 is equipped with advanced noise-cancelling microphones that provide crystal clear sound quality. Effective communication can occur in any environment. And it has a group rental call function, which can achieve both group and private communication. What you get: Package contains walkie talkieX2, BatteryX2, Type-C USB ChargerX2,HeadsetX2, ClipX2, Hand strapX2, User manualX1. Easy to operate, suitable for novices, and provide technical guidance. All day customer service replies to ensure your purchase enjoyment.(Note: What if you pair two or more radios? Usually, these 2 radios are pre-set with default settings before shipping. If you purchase more, please send us the serial number and we will handle the rest.) 1