... Compatibility "850MHz, 900MHz, 1800MHz, 1900MHz FM Radio bluetooth Watch Phone Specifications & Details Color silver shell and bracelet;black ... picture, video, and texting messaging) " Bluetooth:support V2.0 bluetooth or mono bluetooth Battery:450 mAh, Talk Time: 3-4 ... , and Thai Digital Watch: support 5 analog clocks and digital clock standby display and 5 alarm clocks, calendar bluetooth Watch Phone