[Sound Enhancement Technology 2.0] Thanks to the latest headphone chip and 16.2mm super-large graphene composite diaphragm speakers, our open-back headphones have 70% enhanced bass. These speakers are 3 times larger than other headphones, giving you a more powerful and focused sound box. Enjoy rich, deep bass in any environment and enhance your music listening experience. [All-day Comfort Wear] With our -balanced design, the headphones evenly distribute weight around your ears, reducing single-point pressure. Made of ultra-light, skin-friendly materials, weighing only 10 grams, you can wear them for long periods of time without discomfort. Say goodbye to ear fatigue and enjoy all-day wear without feeling. [Enhanced Call Experience and Privacy] Equipped with 4 microphones and ENC noise reduction technology, this open-back headphone has 20% better call clarity than other models. Unique directional sound transmission technology and vertical ear canal design prevent sound leakage, making it ideal for Zoom meetings and driving while ensuring your privacy. [Latest Bluetooth 5.3] Our earphones use the latest Bluetooth 5.3 chip, which reduces signal interference by 65% and increases transmission speed by 75%. This means you can enjoy a faster and more stable connection without any lag, ensuring seamless audio streaming and connection to your device. [IPX5 Waterproof:] Not suitable for swimming or showering, Designed to withstand a variety of conditions, our earphones have an IPX5 waterproof rating, making them perfect for active use. Colour:Black Material:Plastic Package Contents: 1x Bluetooth Headphones set 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.