High performance speaker and stable transmission clear communication. Mini size for easy portability, you can hide it wherever you . 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, will not cause you discomfort. Applications: Used at supermarkets, shopping centers, hotels and other . 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: 50 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 content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.