1、[Comfortable Eartips] 1BA plus 1DD HiFi monitor earbuds with premium silicone eartips for a more comfortable fit into your ear and improved noise canceling performance for a better experience. 2、[Flexible Use] Wired monitor earbuds provide a sturdy ergonomic wearing experience, are durable, and designed with memory wire technology to make them easier to keep moving, providing a locking fit. 3、[Rich Sound Layers] The monitor earphones have separate channels for each driver, with no distortion of sound. Rich, powerful performance in the bass, midrange and treble, vibrant, bringing you a new sense of listening. 4、[Compatible Devices] Wired monitor earphones with 5mm L plug designed for the latest generation of for iPod. Suitable for Android, tablets, mp3 players and other devices with standard 5mm jack. 5、[Professional Design] With enhanced sound quality and appearance of the hybrid technology, special armature and dynamic drivers, detachable wire design. Perfect for family, party, school, Christmas gift, Thanksgiving, Halloween. 2 x Monitor Earbuds1 x Earphone Wire4 x Eartips1 x Instruction Manual Item Type: Monitor EarbudsMaterial: Synthetic ResinModel: KZ ZSTConfiguration: 1BA Plus 1DDFrequency Response Range: 20-40000HzImpedance: 10ΩSensitivity: 106dB/mWPlug Type: 3.5mmPin Type: 0.75mm