Features: 1. Wireless Bluetooth Connection: These Headphones Connect To Your Device Via Bluetooth And Enjoy The Freedom Of Wireless Connection. 2. Dynamic Vocal Principle: Dynamic Vocal Principle Ensures High-Quality Sound Reproduction, Making These Headphones Perfect For Listening To Music Or Podcasts. 3. Over-Ear Style: Over-Ear Style Provides A Comfortable Fit And Helps Block External Noise, Allowing You To Focus On Your Music. 4. Volume Control: Adjust The Volume Of Music Or Calls Directly From The Headphones Without Reaching For The Device. 5. Zhongke Lanxun 5.1 Solution, Stereo Two-Channel Description: 1. Solution: Zhongke Lanxun 5.1, Stereo Two-Channel 2. Speaker Specifications: 40mm 3. Transmission Range: Within 10 Meters 4. Battery: 150mah 5. Talk Time: 8 Hours 6. Charging Time: 2 Hours Material: ABS colour: black Package Contents: 1 x Headset Earphones Only the above package content, other products are not included. Note: Light reflection 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.