• 【Enjoy immersive HiFi stereo】KVIDIO's high-quality wireless headphones are equipped with advanced 40mm high-resolution dual stereo drivers Thanks to powerful technical optimization, these over-ear headphones deliver a pristine sound on your ears, with detailed and resilient high frequencies, immersive deep bass, and low, transparent mid-range distortion You can enjoy the sound to the fullest, as if you are immersed in it • 【Incomparably Comfortable Headset】Soft protein earbuds with memory can keep you comfortable in your ear all day long Adjustable headband and flexible ear cups fit any head without pressure Plus, the foldable design weighing 0.44 lbs is perfect for travel, training, and everyday use by college students • 【Switch Wireless and Wired Anytime】Upgraded Bluetooth V5.4 wireless headphones provide ultra-fast connection up to 10 meters (33 feet) Equipped with a 500mAh battery that allows up to 55 hours of music playback, it can switch to wired mode when the headset power is off You can enjoy music without interruption • 【Wide Compatibility】Simply press the 4s multi-function button, and the headset is ready for pairing KVIDIO Bluetooth Over-Ear Headphones are compatible with all Bluetooth devices or cables that have a 3.5mm plug With a built-in microphone, you can not only enjoy TV shows and PC games, but also smoothly conduct hands-free voice calls and video calls • Warranty and Support: Package includes 1 wireless bluetooth headphone, 1 3.5mm audio cable, 1 USB charging cable, and 1 user manual.