Computers; Megaphones; Pedometers; Scales; Acoustic couplers; Baby monitors; Baby scales; Bathroom scales; Data processing equipment, namely, couplers; Electrical pickups for use with musical instruments; Electronic sound pickups for guitars and basses; Lap-counting devices, namely, counters for use during sporting activities; Pickups for telecommunication apparatus; Scales with body mass analysers; Sound reproduction apparatus; Sound transmitting apparatus; Teaching robots; Video baby monito...