G-shape design, in accord with human body engineering, is comfortable and suitable for long time wearing. 2.5mm jack, compatible with Motorola series, ICOM, and other walkie-talkies. Headphone wire can be freely telescopic, has moderate elasticity, easy to adjust and wear. Made of good quality ABS, strong, durable and wear-resistant. Suitable for retail, entertainment, hotel, restaurant, small area public security, and other business users.