The Mini-Boombox Cell Phone with sliding keypad allows you to take your Sim card out of your regular phone, slide it in the back, and power up. The unlocked quad-band GSM device features a 1.5-inch 65K color TFT LCD screen, a 1.3 megapixel camera, voice dialing, speakerphone, and SMS/MMS messaging with a WAP browser. It also plays MP3 and MPEG4 files, has a 256MB memory that can expand up to 4GB and transfers via USB (cable included.) It will even announce incoming calls with voice synthesis. While it won’t work with Verizon or Sprint, you can purchase a a pre-paid SIM card from T-Mobile or AT&T. It’s available for $149.99 at ThinkGeek.