Features Ergonomic Design: Specially Designed According to Ergonomics, The Headset Is Very Comfortable to Wear without Burden, Largely Facilitating Your Work. Has Clear Sounds: Equipped with 32mm Hi Fi Speaker, The Metal Detector Earphone Will Clearly Reveal Every Detail to Better Simplify Your Detection. Wide Compatibility: Comes with Standard 3.5mm Interface, The Headset Is Highly Compatible with Phones, Tablets, Pc, Piano, Electric Guitar And More. Made of Good Abs: Adopting Premium Abs Material, The Headphone Have Been Through Exquisite Workmanship, Not Easy to Malfunction And Very Durable. Convenient Carry: Light in Weight And Compact In Size As Well, The Earphone Is Very Convenient to Carry for Various Outdoor Working And Operation. Specification: Item Type: Metal Detector Headset Product Material: ABS Interface: 3.5mm Interface Package List: 1 x Metal Detector Headset Package List 1 x Metal Detector Headset