a device worn on the head that combines a headphone and microphone for listening and speaking

耳机, 耳麦

a small, removable card that stores data for one's mobile device and identifies one to the network

SIM卡, SIM

a machine, particularly one connected to a computer, that prints text or pictures onto paper

打印机

a device that creates a digital copy of a document or photo and sends it to a computer

扫描仪, 文档扫描仪

equipment that transforms electrical signals into sound, loud enough for public announcements, playing music, etc.

扬声器, 音响

a small computer that you can take with you wherever you go, and it sits on your lap or a table so you can use it

笔记本电脑, 移动计算机

a flat, small, portable computer that one controls and uses by touching its screen

平板电脑, 平板

a portable device that combines the functions of a cell phone and a computer, such as browsing the Internet, using apps, making calls, etc.

智能手机, 智能电话

(of signals or data) representing and processing data as series of the digits 0 and 1 in electronic signals

数字的, 数位的

the system through which different devices can be connected to each other over short distances wirelessly using radio waves

蓝牙, 蓝牙技术

a device that has two pieces that cover the ears and is used to listen to music or sounds without others hearing

耳机, 头戴式耳机

a piece of equipment used for recording voices or sounds or for making one's voice louder

麦克风, 录音设备

