This extended battery is a must-have for BlackBerry Curve users who need long-lasting power on the go. The battery is compatible with several models, including the 8320, 8703e, 8703, 8310, 8300, 8330, and 7100. With a capacity of 1800 mAh and a voltage of 3.7V, this battery provides reliable performance. The matte design/finish and blue color give the battery a sleek and stylish look. It has one port and connectivity is wired/phone antenna port. The cable length is 1/2 ft. This battery is made of durable plastic material and was manufactured in Japan. Don't miss out on the opportunity to upgrade your BlackBerry experience with this essential accessory.