Slide-up vertical QWERTY keyboard and dedicated shortcuts to messaging and social networks</br>Compatible with T-Mobile's 3G network for fast downloads.</br>1.3MP camera; Bluetooth; microSD memory expansion to 16 GB; organizer tools; personal & work e-mail</br>Up to 6 h of talk time?? up to 456 h (19 days) of standby time</br></br>Product Description</br></br>The Samsung :) weighs 4 ounces and measures 3.9 x 2.3 x 0.6 inches. Its 1000 mAh lithium-ion battery is rated at up to 6 hours of talk time?? and up to 456 hours (19 days) of standby time. It runs on the 850/900/1800/1900 MHz GSM/GPRS/EDGE frequencies?? as well as T-Mobile's 3G network (1700/2100 MHz).</br><br/>http://www.amazon.com/gp/product/B005TT81SK