Easy to Use: Set up in seconds! Simply rotate the channel knob to select 16 Channels presets. Sync 4 radios on the same channel for instant communication—no programming required. Perfect for families, events, or team coordination. FCC ID:2AJGM-BF888S Multi-Functional Design: Features an easy-access side-key flashlight, monitor mode, and customizable settings: DCS/CTCSS privacy codes, emergency alarm, squelch control, VOX hands-free operation, power-saving mode, and low-battery alerts. Adapts to any scenario! Long Range Communication – Walkie talkies achieve up to 3 miles in open areas and 0.8-1.3 miles in urban environments (range varies by obstructions and battery level). Ideal for hiking, construction sites, festivals, and emergency preparedness. Rechargeable USB-C Port Battery – Each BAOFENG BF-888S two-way radio includes a 1500mAh USB-C battery (3-4hr charge time) and charging base. Enjoy 8-96 hours of runtime per charge, depending on usage. Built to last through extended adventures or work shifts. Package Include - 4 x walkie talkie, 4 x 1500mAh Li-on battery, 4 x charging base, 4 x belt clip, 4 x hand strap, 4 x earpieces, 2 x user mannual Technical Support - We have a professional technical team that is ready to assist you in resolving any problems. If you encounter any issues while using it, please contact us via Amazon. →Going to 'Orders' > 'Get help' > select the order > click 'other' > send 'seller' > then send the question BAOFENG Long Range Two Way Radio BF-888S Walkie Talkies For Adults