Retevis RT2 DPMR Digital Walkie Talkies Ham Radio 5W VHF/UHF 136-174/400-470MHz 256CH FM VOX (2 Pack) and Speaker Mic (2 Pack) and 2 Pin Covert Acoustic Headset (2 Pack) Analog and Digital dual modes Providing the free switch between analog and digital, Call to analog signal barrier-free Including the original earpiece,acoustic headset,and speaker mic, earpiece fits snugly in your ear easily which keeps your conversations private; Speaker mic can be easily worn on the body through a clip and easy to carry Scramber function to make your communication be more confidential GPS function: Safety Tracking Device, Provide precise latitude and longitude If you need programming software,please email us freely,we will provide software for free