1. Mini design and comfortable operating 2. Output power: 0.5W Licence-free to be used 3. Rechargeable polymer Li-ion battery 4. PC programmable function, MINI 3.5mm and 4 section earphone jack 5. Channel scan setting 6.. Built-in CTCSS and CDCSS function. 7. PC programmable 8. USB programming cable (Common use with 3R), earphone, DC charger (Common use the charger jack with mobile MicroUSB) 9. Soft touch power switch and volume control 10. Built-in FM radio function