Product Features
Unlocked quad-band GSM cell phone compatible with 850/900/1800/1900 frequencies and International 3G compatibility via 850/2100 HSDPA plus EDGE capabilities
Stylish, business-oriented stainless steel phone with access to personal and corporate email, document viewing, push-to-talk capability (network dependent)
2-megapixel camera/camcorder; MicroSD expansion (up to 4 GB); digital audio/video player
Wi-Fi networking (802.11b/g); Bluetooth 1.2 connectivity for both handsfree communication and stereo music streaming
Up to 4.4 hours of digital talk time and 312 hours of standby time; backed by third party 1-year warranty

Other features include:
130 MB internal memory, expandable to 4 GB with optional MicroSD memory cards
Enhanced Active standby for business: gives you quick access to your favorite applications and a summary of the day’s activities, right from your device’s main screen
Push to talk (PTT) capabilities, speakerphone, voice recorder
Text-to-speech feature: hear your messages read aloud to you from your device
2.5 mm Nokia A/V connector, mini-USB 2.0 connector
Video streaming and playback with H.264 (MPEG-4), 3gpp, and Real codecs
Nokia Maps application integrated into device
Contacts, calendar and to-do list: supports PC synchronization with Microsoft Outlook and Lotus Notes via Nokia PC Suite
Bluetooth profiles: A2DP (stereo music streaming), AVRC (remote control), HFP (hands-free car kits), HSP (communication headsets), BIP (for sending images to another device), DUN (dial-up networking), FTP (file transfer), OPP (object push for business cards, calendar items, and pictures)

Vital Statistics
The Nokia E51 weighs 3.53 ounces and measures 4.49 x 1.81 x 0.47 inches. Its 1050 mAh lithium-ion battery is rated at up to 4.4 hours of talk time, and up to 312 hours (13 days) of digital standby time. It runs on the 850/900/1800/1900 GSM/GPRS/EDGE frequencies as well as the 850/2100 MHz 3G UMTS/HSDPA frequencies.