ZEALOT B20 Stereo Wired Wireless Bluetooth 4.0 Subwoofer Headset with 3.5mm Universal Audio Cable Jack & HD Microphone, For Mobile Phones & Tablets & Laptops(Gold) Type-Repair Tools Product features: Use high-elasticity environmentally

Product features: Use high-elasticity environmentally friendly PVC material

Audio noise ratio: About 90db

(some standard USB devices may not function if they consume too much power)

Using skin-like rubber paint surface design

greatly enhance security

ZEALOT B20 Stereo Wired Wireless Bluetooth 4.0 Subwoofer Headset with 3.5mm Universal Audio Cable Jack & HD Microphone, For Mobile Phones & Tablets & Laptops(Gold) Type-Repair Tools Product features: Use high-elasticity environmentally1. Whether you are an audiophile or casual listener, when it comes to choose a headset, this item is your prior choice. 2. ZEALOT B5 has superfine titanium alloy diaphragm, enclosed sound chamber, stereo sound field, low distortion rate, HiFi tone quality. high tone quality and 90 degrees foldable design make it the perfect headset for those audiophile. 3. The imitation protein material is used as the ear skin with a soft characteristic sponge, which