Come to carry a walkie talkie with you to rest assured emergencies! This BaoFeng BF-666S 5W 16-Channel 400-470MHz Handheld Walkie Talkie/Interphone Black must be your honest friend! Adopting precise and sophisticated electronic components， it is stable in performance and reliable in receiving signal even in remote mountainous regions or dense forest. Built-in 2800mAh battery， it can keep working for quite a long time. With simple and elegant design， it can be used on many occasions， such as airports， manufacturing plants， concerts， etc. Just make a decision now!<br>                                    Features            A lightweight and compact communication deviceProvide you clear and loud soundCan be used to keep communication with partners or workmatesBuilt-in 2800mAh battery for long service timePrevent users from receiving unauthorized signal and avoid the interference channelProtect sound from the interface of signalSuitable for many occasions， such as airports， manufacturing plants or concerts etc.                                                            Specifications            Color    Black    <br>Brand    Baofeng    <br>Model    666S    <br>Quantity    4    <br>Material    Plastic !#!amp!*! Aluminium    <br>Type    Professional    <br>Category    Handheld Desk    <br>Frequency Range    400-470 MHz    <br>RF Output Power    5W    <br>Channel    16    <br>Talk Range    5-10 km    <br>Battery Type    Lithium Battery    <br>Battery Capacity    2800 mAh    <br>Standby Time    128 hour    <br>Working Time    48 hour    <br>Battery Life Theory    10000 (h)    <br>Monitor Function    Yes    <br>Weight    18.34oz / 520g /1 pcs    <br>Operating Voltage    3.7V    <br>                                                            Package Includes            4x Two-way Radio4x Battery4 x Antenna4x Belt Clip4x Battery Charger (110~240V / US Plug / 106cm)4 x Hand Strap4x User Manual