The Nokia E51 is a quadband GSM mobile smartphone from Nokia's business-oriented E Series. The phone is a step up from the E50 since it features 3G broadband internet and Wi-Fi connectivity with VoIP support over WLAN. It runs on Symbian OS 9.2 and includes both infrared and Bluetooth connectivity for pairing the phone with a headset or other device. The phone also features an integrated speakerphone, conference calling, and supports push email for receiving emails instantly. The E51 has an integrated media player, FM radio, and a built-in 2-megapixel camera with 4x digital zoom for taking photos and recording videos. It provides up to 4.4 hours of talktime and includes 130MB of internal memory as well as a microSD slot for additional storage. The phone is available in silver or black and comes with a 1 year limited warranty.