A wireless microphone is attached to the dog's collar, which sends information to the gadget held by the owner.

它由两个部件组成。其中附着在狗项圈上的无线麦克会向主人的电子装置传送信息；

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She attached a chain to the dog's collar.

她把链条拴在狗的项圈上。

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He turned up the collar of his top coat, with the other hand holding the attached case tightly.

他翻上大衣领，另一只手紧紧握住那个皮包。

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The PetsCell, measuring 12.5cm (5 inches) by 7.5cm (3 inches), is shaped like a bone and is attached to the dog's collar.

CNN: Give a dog a cell phone

Tokyo, May 14, 2012 - Fujitsu today announced development of a special device that can be attached to a dog's collar to monitor their level of activity and other data.

ENGADGET: Fujitsu collar monitor proves that all dogs go to the cloud