Headset for english listening comprehension

• Main Authors: LOU GUOYI, QIN YAN
• Format: Patent
• Language: Chinese; English
• Published: 27.07.2016
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

The utility model provides a headset for english listening comprehension, belong to the learning tool field, the problem of current headset exist is solved, it contains two earphones, two earphones are connected through first roof beam, intermediate position at first roof beam is provided with a breach, fall into two sections with first roof beam, be provided with a ring in the top of breach, the ring is through two connecting rods and two paragraph header roof beam fixed connection, evenly distributed has six at least sleeves on the ring, the sleeve is connected with the screw thread mode with the ring, can be through the height of a rotatory sleeve adjusting sleeve section of thick bamboo, at the every telescopic lower extreme telescopic link of planting, the external diameter and the telescopic internal diameter of telescopic link coincide, upper end and lower extreme at every telescopic link are provided with a spring catch respectively, be provided with a pinhole that corresponds with the spring catch at