... )CE certificate Dual Sim M810i Cell Phone WatchMain Feature:Networking: GSM 900/1800/1900MHz LCD:1.3 inch TFT260k Pixels,Resolution ... , message group sent, voice, take MMS, incoming ring call Network: GSM, GPRS, WAP, Bluetooth Supported Call time: About 3 hour Stand ... user manual 1GB TF Card M810 Cell Phone Watch Camera GSM PDA MP3