New solution for iPhone 4's lack of 4G data, Korean Telecom (KT) has just announced new Egg sleeve which brings WiMAX to iPhone 4 and incorporates an extra battery to let users enjoy five hours of 4G surfing.
- 1500mA battery
- weights 68g
- Black colors only available so far.
- Dimensions 62 x 126.5 x 17.2mm