Bracelet

The utility model belongs to electron product field especially relates to a bracelet. It can carry out biological identification, and then ensures that information and the people that wears of institute are in full accord. The device comprises a wrist strap body, be provided with fastener and display screen on the bracelet body, the bracelet body is provided with host system, orientation module, sign detection module, wireless communication module, vein authentication sensor module and is used for detecting the three -dimensional acceleration sensor of motion distance, host system links to each other with orientation module, wireless communication module, sign detection module, vein authentication module respectively, three -dimensional acceleration sensor and display screen link to each other, still be provided with the galvanic circle in the bracelet body, this galvanic circle one end links to each other with host system's IO delivery outlet, and the other end of this galvanic circlelinks to each other with