☎ 2G Fixed Wireless Phone - Support GSM850/900/1800/1900Mhz, Caller ID, Save more than 100 SMS on the phone, 7-level headphone volume and silence adjustable, Storage 20 missed call or received calls and the last ten dialed number. More functions will be described in user manual. | ☎ Powerful battery - Built-in 3000mAh NiMH battery provides up to 2.5hrs of talk time and 150hours standby time.(depending on network environment) | ☎ Multifunctional Telephone - It not only just a tool to call, but an alarm clock and having FM radio function. | ☎ Great for Elder People - With big button and the font is clear and age-friendly. | ☎ External Antenna - External antenna makes the signal receive more stable, get rid of the trouble of disconnection, ensure every call sound quality clear, unimpeded communication.