Details:Material Composition: 89% PolyesterPackage Includes: 1 × Vest Harness Strap Only

Good performance: The rotating speed can be up to 7000rpm

high capacity and high voltage

Applicable age: 6 years old and above

Product accessories: wind hook driver

Wired Mini Earphone with Microphone Office Gadgets Details:Material Composition: 89% PolyesterPackage Includes:Headphone type: ear hook headphones Wearing style: earplug style Headphone output source: general Plug diameter: 3. 5mm Plug type: straight plug type Sounding principle: ring iron Frequency response range: 20 20 (Hz) Impedance: 20 5 () Sensitivity: 90 5 (dB) Distortion rate: 0. 01 (%) Wire length: 1. 2 (m)