Features: 100% brand new and high quality Active Noise Cancellation: Isolate the sound and listen to it, using a dedicated noise reduction chip, through receiving and analyzing the additional noise, the opposite signal is generated in the earphone to cancel it. Shocking Sound Quality Experience: Feel the shocking sound quality experience, can analyze the audio excellently, and present the original sound. Small Enough: Wear it for a day without getting tired, light per ear, in-ear design, no weight-bearing feeling. Fully Optimized Stage Customization Performance: Powerful dual magnetic circuit dynamic unfhighly restore the live atmosphere. 3. 5mm Headphone Plug: Powerful and compatible, 3.5mm universal plug design, no matter the computer tablet can be easily dealt with, desktop computers, laptops, tablets, mobile phones. Package Includes: 1PC In-Ear Subwoofer Wired Headphones Specifications: Headphone Type: In-ear Headphones Wearing Method: In-ear Plug Diameter: 3.5mm Plug Type: Straight Plug Type Whether Wireless Headset: Wired Headset Is There a Microphone: Yes Sounding Principle: Moving Coil Frequency Response Range: 20-20000hz Impedance: 32 Sensitivity: 108db Distortion Rate: 2% Wire Length: 1.2m Speaker Diameter: 10mm Earplug/earmuff Material: Metal Headphone Cable Material: Twist Wire Purpose: Generally Purpose, Sports Earphones, Voice Earphones, Computer Earphones, Mp3 Earphones, Mobile Phone Earphones, Walkie-talkie Earphones, Music Earphones. Color: Black, Red, Rose, Silver, Gold Line Length: 120cm/47.24inches Net Weight: 40g/0.09lbs note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.