This document contains a parts list and assembly drawing for a Bluetooth device. It lists 16 parts with descriptions, materials, and quantities. The parts include a body, front, chip, locks, splits, buttons, string bar, circuit board, Bluetooth receiver, button board, screws, bottom locks, battery holder, and screws. Dimensions are in millimeters and tolerances range from 0.5 to 0.007 mm depending on number of decimal places.