BlackBerry 8820 Basic Specifications: Supported bands 850/900/1800/1900 MHz, phone nickname 8820, network connection GPRS/EDGE, standard configuration battery 1400mAh, talk time 300 minutes, standby time 520 hours, storage memory capacity 64MB Flash; RAM 16MB, release date July 1, 2007. Standard configuration includes lithium battery (1400mAh), charger. BlackBerry 8820 appearance design: body color black, style straight board, product dimensions 114 × 66 × 14mm, product weight 134g. BlackBerry 8820 display screen: main screen resolution 240×320 pixels, main screen color 64K colors. BlackBerry 8820 extended performance: browser WAP 2.0/xHTML, HTML, Bluetooth built-in; Bluetooth 2.0, data cable interface miniUSB, expansion card micro SD(T-Flash), Wi-Fi.