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 OLED Screen <br>Phone dimension: 86mm x 53mm x 4.5 mm(credit card size but a little bit thicker) <br><br><b>Main function: </b> <br>•Phone books:500 entries <br>•Call center: call history; call settings <br>•Messaging: Write message; Inbox; Drafts; Outbox; SMS settings.etc <br>•Organizer: Calendar, Alarm, Calculator <br>•Phone settings: Time and date; Schedule power on/off; Language; Dedicated Keys; flight mode.etc <br>•Phone security: Phone lock; Change password <br>•Profiles: General/Silent/Meeting/Outdoor <br>•Bluetooth function <br>•Multi-language: English(default), French, German, Italian, Spanish , Portuguese, Russian, Arabic, Indonesian <br>• Battery: 3.7V/320mAhLi-ion Battery (not Detachable) <br>• Talk time: 3.5-4 (Unit: Hour) <br>• Standby time: 72-96 (Unit: Hour) <br><br><b>Package Contents:</b> <br> 1 x Phone <br> 1 x USB Cable (Length: 18.5cm) <br></br><br/>http://www.amazon.com/gp/product/B00VT0VR34