1. Speaker with good performance and stable transmission for clear communication. 2. Mini size for easy portability, you can place it wherever you like. Transceiver and earpiece are both designed with clip for easy attachment. Also come with 2 lanyards. 3. Transmission range depends on many factors (weather, buildings, etc). General range is 1-3 km. 4. Ergonomically-designed speaker, will not cause you discomfort. 5. Applications: Used at supermarkets, shopping centers, hotels and other places. 6. The LED light helps you know the status of radio, in charging, active or signal receiving status. 7. Multiple sets can be matched at one time. 8. Size: 65 x 26 x 14 mm / 2.6 x 1.0 x 0.6 inch 9. Frequency: 400-470MHz 10. Power: 0.5W 11. Channels: 16 12. Voltage: 7.2V 13. Battery Capacity: 2000mA 14. Antenna Impedance: 50 15. Communication Distance: 1-3 km / 1.86-0.62 mile 16. Package Weight: About 190g 17. Model Number: mini walkie talkie 18. Type: Two Way Radio 19. color:Black 20. Material:plastic 21. Package Contents: 2 x Radio, 2 x Earphone. Only the above package content, other products are not included. 22. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.