Features: Pure Balanced Armature Per Side. Detachable 2 pin 0.75mm OFC Cable. Aluminum alloy panel and resin housing shell. Electric PCB Frequency Dividing Board and physical 3 Channel Duct Structure. Specification: Product Name: KZ AS16 Color: Black / Blue Sensitivity: 105dB Impedance:15Ω Frequency: 20-40000Hz Plug Type: 3.5mm Gold Plated Pin Type: 0.75mm Gold Plated Line Length: 125cm±5cm Driver: 8 Pure Balanced Armature Per Side 8 Drivers Specification: 2* Low Frequency 22955 2* Mid Frequency 29689 4* High Frequency 31736 Package Include: 1 * KZ AS16 8 Drivers Balanced Armature In Ear Earphone Please Note: ✪ KINBOOFI have the Formal authorization from KZ company , all products are original.