0.5W children's earplug walkie-talkie, is a small, beautifully designed, convenient communication, suitable for couples' calls, elderly care, ward building intercom, security, public security, teaching, travel and mountaineering; shopping, holiday gifts, gifts for classmates, anytime Instant messaging calls to provide you and your family and friends with high-quality services.Features and SpecificationsfeatureSpecificationwith back clip0.5W 8-22ChannelsUnique lanyard position design, easy to use3~5km range in open areaLoud and clear speaker sound, strong penetration, good sound quality99 Noise Canceller Codes CTCSSIntercommunication on the same frequency, multi-person interactionScan Channel Function (SCAN)Interference-free 5km conversations, long distance callsHands-free (VOX) functionalityAuto Squelch/Call AlertMonitoring functiontoll free10 calling tonesHigh-quality batteries, durablewith flashlight8-22 channels, more call optionsGreen backlit LCD displayBetter sound quality, better sound quality, better call quality, more durableUse 3*AAA batteries (not included)