TAMO Bluetooth Wireless SmartWatch G2 PRO for iPhone and Android - Silver  [DISCONTINUED] [DISCONTINUED] Easy to pair and use with any Bluetooth enabled mobile devices Full support for Siri and Google Now, with hassle free auto-reconnect feature. NFC* Supports Windows Phone 8. Comes in two sizes: LARGE size fits wrists up to 7.5", REGULAR size fits wrists up to 7" Vibrates on your wrist gently to help notify you about incoming calls OLED screen displays Caller ID, caller name, full support for SIRI and Google NOW, incoming call numbers, time, battery indicator, and other functions Added Features: Caller Name, Windows Phone 8, and NFC now added. Utilizes rechargeable Lithium Polymer battery to provides longer talk time duration (USB Charger included)