T-Mobile Sidekick by Sharp, Black (T-Mobile) New Sidekick messaging phone sports a slightly smaller, thinner and lighter design, 2.6-inch high-resolution screen Compatible with T-Mobile's MyFaves service--unlimited calling to your five most called contacts 2-megapixel camera; digital audio player; Bluetooth for handsfree communication and stereo music; MicroSD expansion (512 MB card included) Access to personal email and instant messaging services; English and Spanish language; multi-format digital audio player Includes: handset, rechargeable battery, charger with AC adapter, 512 MB MicroSD memory card, USB cable, wired stereo handsfree headset, changeable shells (black and green), quick start guide