Feature: 100% brand new and high quality Compatible with all 3.5mm equipment, mobile computer and MP3 general Metal composite diaphragm, made for the high quality audio systems Thick string wire de more→sign can be more soft and comfortable, effectively avoid knotting and broken Ear hook design gives you comfortable wearing experience, suitable for sports activities Specifications: Item Type: Earphone Earpiece Color:as the show Style: Ear Hook Type Color: Black, White, Red, Blue,Pink,Purple Material: Plastic+ Thick String Cable length: 1.2m/47.2in Have Microphone: None Frequency Range: 20-20000Hz Wireless Technology: Not Applicable Plug Type: Straight Insert Plug Size: 3.5mm/0.14in