Yoidesu Overhead Headphones, Foldable Compact Wired Headset Stereo HiFi Music Headphone for Smartphones Tablets MP3/MP4 Laptops

Features: 1. Easy to Adjust: Rotatable ear cup and adjustable headband, easy to adjust to fit your head, comfortable wearing for all day. 2. Foldable & Compact: Simple style, lightweight, and it can be folded to compact size, easy to carry. 3. Comfortable Wearing: Using skin-friendly earmuffs pads, so soft and breathable, so you will feel much more comfortable when enjoying movies or music. 4. Matching with smartphones, tablets, MP3/MP4 or laptops to listen to music and watch videos.5. Made of high quality material, sturdy and durable in use. Specification: Output power: 20mw*2, 20MW* 32? Maximum output distortion: ?1% Type: wired headset Signal to noise ratio: 93dB Sensitivity: 103dB ± 3dB Input voltage: DC 5V Working voltage: DC 3.7V Package List: 1 * Headphone