Low noise, clear tone quality and high fidelity.Convenient and durable to use.Professional and pleasing.Comfortable to wear.Name: Imitated Earphone with Small EarhookColor: BlackPort type: K2 portMaterial: PUDimension: about 135 x 90 x 14mm (With package)1. Pin size:Diameter/length:3.5 mm pin length: about 14 mm2.5 mm pin length: about 11 mm2. SpeakerSize(mm): 15mmImpedance: 32ohm+/-15%Sensitivity: 102+/-2dBMax input power: 50MW3. MicrophoneSensitivity: -58+/-2dBSuitable for walkie talkie of all seriesPackage Contents:1 x EarphoneOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.