Features 2G Fixed Wireless PhoneSupport GSM85090018001900Mhz, Caller ID, Save more than 100 SMS on the phone, 7level headphone volume and silence adjustable, Storage 20 missed calls or received calls and the last ten dialed numbers. More functions will be described in the user manual. Powerful batteryBuiltin 3000mAh NiMH battery provides up to 2.5 hours of talk time and 150 hours of standby time. depending on network environment Multifunctional PhoneIt is not only a tool for making calls, but also an alarm clock and has FM radio function. Perfect for Elderly PeopleWith a large button and the font is clear and agefriendly. Etern AntennaThe ethernet antenna makes the signal received more stable, get rid of the trouble of disconnection, ensure that the sound quality of each call is clear, unobstructed communication. Specification Model F317 Color Black Network Support GSM Size 19615251mm Battery 3.7V 3000mAh GSM Frequency 85090018001900MHZ Power Supply AC100240 V DC5.00 V,0.65 A Display12864 dot matrix LCD screen. Package Weight 700g26.5oz Package Size 27195.510.67.52.2inAbout Shipping All goods will be shipped within 3 working days after payment is received. Most of the time, you will receive them within 812 days. The specific delivery time depends on the circumstances. Any questions, please contact us During the shopping process, if you have any questions, please contact us, we will reply you within 48048 hours, wish you a pleasant shopping Thank you for your cooperation and we will make you feel satisfied.