Blackberry pearl 3G 9100 model is best in its category.
It supports 3G network, it has optical trackpad and dedicated media keys to control media functions.
Also, it has SureType technology and simultaneous voice and data feature.
You can do email and text messaging. Also it has BlackBerry Messenger, instant messaging.
Other features includes phone, browser, social networking, video recording, Wi-Fi, GPS, Media player, Organiser, Bluetooth®,Expandable memory up to 32GB ,Tethered Modem.
Size and Weight
Height:
4.25 inches (108 mm)
Width:
1.97 inches (50 mm)
Depth:
0.52 inches (13.3 mm)
Weight:
3.3 ounces (93 grams)