Product Description \"Features: 4G Fixed Wireless Phone - Supports GSM850/900/1800/1900Mhz, Caller ID, save more than 100 SMS on the phone, 7-level earphone volume and silence adjustable, storage 20 missed calls or received calls and the last ten numbers. More functions will be described in the user manual. Powerful Battery - Built-in 3000mAh NiMH battery provides up to 2.5 hours of talk time and 150 hours of standby time. (depending on network environment) Multifunctional Phone - It is not only a tool for making calls, but also an alarm clock and has FM radio function. Good for the elderly - With large button and the font is clear and age-friendly. External Antenna - External antenna makes the signal more stable, get rid of the problem of disconnection, ensure that every call sound quality clear, unobstructed communication. Specification: Model: F317 Color: BlackNetwork Support: GSMSize: 196 x 152 x 51mmBattery: 3.7V 3000mAhGSM Frequency: 850/900/1800/1900MHZAC Power Supply: AC:100-240 V; DC:5.00 V,0.65 ADisplay:128X64 dot array LCD screen.Package Weight: 700g/26.5ozPackage Size: 27 x 19 x 5.5/10.6 x 7.5 x 2.2in\"About Shipping: All items will be shipped within 3 business days after payment is received. Most times you will receive them within 8-12 days then. 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 to you within 48048 hours, wish you a pleasant shopping Thank you for your cooperation and we will make you satisfied.