Bluetooth smart watch phone with apps like Facebook touch screen multilanguage Android/iOS mobile phone wrist watch phone with activity trackers and fitness band features compatible with Samsung iPhone HTC moto intex Vivo Mi one plus and many others. These are the technical of the watch for your reference - our product comes with bluetooth 2.0 - Our product comes with a mtk 6261 chip-set compared to the other chip-sets available in similar models - we have a 1.56 Captive touch LCD display. - We have a 240 * 240 resolution. We have a great inbuilt speaker and microphone of 8 amps and 0.7 Watts. - We have a better display and a touch screen in our devices - we have an inbuilt g-sensor - with basic software application.(As some features do not work in some phone) in all we have the best bluetooth watch you get in this segment.