headset, earphone, headphones, microphone, earbuds, earplug, speakerphone, ear, neckband, faceplate, thumbwheel, dongle, lanyard, keypad, shoulder strap, transmitter, steering wheel, tape recorder, lavaliere, dictaphone, kickstand, intercom, bleeper, wearer, mikes, cuff, ear canal, antenna, knob, beep, lavalier, audio, cell phone, stereo, ipod, camera, teleprompter, walkie, cassette deck, ringer, visor, sun visor, doohickey, device, subwoofer, camera lens, dials, handlebar, bluetooth, beeper, amplifier, phone, dipole antenna, headrest, buttons, earplugs, touchpad, headband, cellphone, toggle switch, loudspeaker, mic, charger, kneepad, bezel, soundboard, ankle bracelet, calliper, speech intelligibility, ghetto blaster, keyboard, beanie, carabineer, wristwatch, watchband, chin strap, flange, ethernet cable, armrest, headpiece, autocue, adapter, cupholder, muffler, attenuator, torque wrench, electret, steerer, prompter, eyeshade, stylus, pouch, pushbutton, alarm clock, pedals, homing device, plectrum, endotracheal tube, hair dryer, potentiometer, backplate, trackball, parachute, spool, bottle, cage, bottles, glove, saucer, button, chopsticks, earphones, keg, sock, towel, barrels, bobbin, box, buckets

receiver, telephone receiver

french telephone, handset

electro-acoustic transducer

headphone