EXETECH Smart Watch-Phone Android - Retail Packaging - Black/Silver Stand Alone - SIM CARD, WI-FI, Bluetooth. 3G WCDMA , HSDPA2G GPRS , EDGE (GSM 850/900/1800/1900/2100 MHz).Type of call: Stand alone Hands free Wireless Bluetooth Operating System - Android 4.0.4 boosted by EXETECH - Built in updater RAM 512 MB. Internal Memory : 2 Gb Est Memory : Expandable with Micro SD up to 32 GB Camera 2 MP, MP3, Video 3GP/MP4, Recorder GPS, Gravity Sensor. Water Safe (no dive - IP 65 equivalent) Certifications CE - FCC - (cm ) : Height 6.46 x Width 4.40 x Thickness 1.76 (case)Weight: 66 gr Battery: 420 mAh Standby time: 18 hours Average use: 6/7 hours Packaging Contains: Bluetooth Headset, Headset, 2 Batteries, USB cable, wall adapter, Instruction Manual in English