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Besides behave like a normal form and work on cellular networks, cell phone also offer other features:
- SIM card
- SMS, MMS, WAP, Internet services
- Built-in digital camera, video recorder
- Radio, MP3, voice recorder
- Wireless/wire connectivity: Bluetooth, Wifi, USB
- Mobile power: battery, car lighter, solar energy
- Clock, calculator, office tools, games
- Customize ring tone, vibrating alert, or combination of both
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