You can have long-distance calls with your child at the same time, no call charges The close range can reach 3km, the open water can reach 6km, and the mountains and valleys can be opened. < p>Upgraded design for kids and adults to bring more joy to your family. 1000mAh AA rechargeable battery offers high safety and long life, so you don't have to keep buying batteries p> The USB walkie-talkie is authorization-free and supports team communication. The walkie-talkie supports hands-free calling (iVOX), one-to-one/multiple communication, automatic noise reduction, automatic memory function, automatic scan function, automatic power saving, low battery alarm , Key Lock, Anti-fall (ABS), 8 Channels, 121 Anti-Eavesdropping Codes per Channel, Backlit LCD Screen You can make long-distance calls with your kids at the same time, no call charges, gifts for boys and girls ages 3, 4 , 5, 6, 7, 8, 9, 10, 11 years, ideal for your child's holiday and the best gift for birthdays and Christmas, Halloween