Features: brand new and high quality Could be used with any device with a 3.5mm jack, including smartphones. It will bring you a better audio effect and experience. The dynamic coil speakers to enhance the sense of depth, presence and space, and present a three-dimensional surround effect like a live scene. The earplugs provide deep , constricted mid-range,ensuring a completely immersive game. The headphones with comfortable in-ear design and 3.5mm/0.14in plug. Specifications: Headphone Jack:3.5mm /0.14in Materal:TPE+Plastic+Electronic Component Color:Silver,Red(Optional) Wired Length:1.2m/47.24in Length:17cm/6.69in Width:10cm/3.94in Height:3.3cm/1.30in Frequency Range:20-20000(HZ) Horn Diameter:10mm/0.39in Sensitivity:116dB Impedance:16 Note: Please allow 0-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1xEarphone