Smart and Multifunction: Dial via SIM watch or optional Bluetooth, pedometer, remote photos, music playback, alarm clock, two-way anti lost lost, alarm clock, voice recorder, muti-timezone, muti-language, summer time and push notification including facebook, twitter, email, calls, texts, etc. (ANDROID & SIM CARD: all functions can be used). Long Life Battery and Extra Spare Battery This smart watch is super light and comfortable It has an impressive display as well as the hypersensitive screen touch, which can provide you the clear display even in the glare. Fashion and modern surface display make your smart watch more fashion and outstanding.