High performance speaker and stable transmission clear communication. Mini size for easy portability, you can hide it wherever you want. Transceiver and earpiece are both designed with clip for easy attachment. Also come with 2 lanyards. Transmission range depends on many factors (weather, buildings, etc). General range is 1-3 km. Ergonomically-designed speaker, not cause you discomfort. Applications: Used at supermarkets, shopping centers, hotels and other places. The LED light helps you easily know the status of radio, in charging, active or signal receiving status. Countless sets can be matched at one time. Size: . 65 x 26 x 14 mm / 2.6 x 1.0 x 0.6 inch Frequency: 400-470MHz Power: 0.5W Channels: 16 Voltage: 7.2V Battery Capacity: 2000mA Antenna Impedance: 50Ω Communication Distance: 1-3 km / 1.86-0.62 mile Package Weight: About 190g Model Number: mini walkie talkie Type: Two Way Radio color:Black Material:plastic Package Contents: 2 x Radio 2 x Earphone Only the above package