Handy and Portable: 4.8mm 1inch Credit Card Size Ultra-thin body with 1.0 inch OLED Screen display?? low radiation</br>Stable Connection: Support single micro sim card and 2G network GSM 850/900/1800/1900MHz??works well even in enclosed areas</br>A basic phone: Support Call?? Phonebook?? Messaging?? Calendar?? Alarm?? Calculator Bluetooth etc?? enough for daily use.</br>An ideal back-up phone: 320mAh battery with 72-96 hours standby time?? super power-saving?? reliable in emergency situations</br>Great for kids or grown-up who just want a phone but not a smart phone; Multicolor available: black??white??blue??green??pink</br></br>Product Description</br></br><br><b>General </b> <br>Brand: Twinbuys <br>Model: M5 <br>Product Type: Unlocked(sim-free) Mobile Phone <br>Highlights: Credit card size?? ultra-thin design?? long standby?? low radiation <br><br><b>Specifications:</b> <br>Sim : Single SIM Card (Micro SIM) <br>GSM Network: Band (2G): GSM 850/900/1800/1900MHz <br>Display Size: 1.0 inch