Features: All functions support for Android 4.3 and up smart phones. For iPhone, it just support answer & call, phone book, music play, camera, clock, pedometer; still not support SMS, remote camera control, sleep monitoring, etc. 240 x 240 pixel HD Display Screen, clear to see. 380 mAh battery provides 10 + hours of standby and 2 - 3 hours talk time. Support Maximum 32GB TF Card (TF Card NOT included). Speaker is loud and easy to hear. You will never miss alerts. Description: Frequency: GSM 850/900/1800/1900 MHz (SIM card NOT included in package) Memory: 128 MB + 64 MB Storage: Support Maximum 32GB TF Card (TF Card NOT included) Display Screen: 1.54 inch Resolution: 240*240 pixels Bluetooth Version: 3.0 Camera: 1.3 Mega pixels Battery: 380 mAh lithium polymer Touch Screen: OGS capacitive touch screen, full lamination technology Calling Time: > 2 hours Compatible Models: For Android Phone, For IOS Phone. Notes: For iOS system it cannot download the APP Languages: English, French, Spanish, Polish, Portuguese, Italian, Czech, Turkish, Deutsch, Persian, Russian, Arabic. Specifications: Material: Silicone + Stainless Steel Color: silver & black, silver gray & black, silver & white, silver & red, gold & black, silver & blue Size: 26.5*41*12.5mm Package included: 1 x Smartwatch 1 x USB Cable 1 x User Manual Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to different personal measuring techniques, there might be 1-3cm error of the physical. Thank you!