1 Front fascia. 2 BlackBerry Pearl trackball. 3 Rollers — move according to direction of trackball. 4 Trackball casing. 5 Inner casing. 6 Mute button. 7 Spring. 8 Keypad — QWERTY keypad uses SureType to learn as you type. 9 Screen — 65,000-colour screen with light- sensing technology to auto-adjust screen and keypad brightness. This month we’re exploding the BlackBerry Pearl, with its famous push-email, 1.3MP camera, quad-band phone, 65,000-colour screen and trackball. 1 2 3 4 5 6 7 8 9 10 12 11 13 14 16 15 17 18 20 19 21 22 10 Main circuit board. 11 Metal casing — protects onboard chips. 12 microSD card — storage for pictures, audio and video. 13 Left convenience key — activates voice- dialing application. 14 Side-casing panel. 15 Removable/rechargeable Lithium battery — rated for 3.5 hours talk time. 16 Electrical connector. 17 Back phone chassis. 18 Outer-shel 19 Side-casi 20 Back ou 21 Right convenience key — open camera to t 22 V exploding tech BlackBerry Pearl