More Practical Functions: The touch screen wireless earbuds's charging box includes several practical features to enhance the user experience. Users can find their headset, set a timer, change screen wallpapers. Additionally, the bluetooth earbuds's charging box allows for brightness adjustment, language switching, time settings, photo control, and flash functions, providing convenient access without needing to to take out your phone.

ANC and ENC Noise Cancellation Technology: Wireless headphones use ANC noise reduction technology, which captures external noise through the built-in microphone of the headset and generates "reverse" sound waves that are opposite to the noise. These sound waves can effectively offset ambient noise and achieve the effect of reducing external noise. Bluetooth earphones with built-in ENC chips reduce background noise during calls, allowing for clearer and more effective conversations.

Deep Bass Stereo Sound and 5 EQ modes: These wireless ear buds with 14.2mm graphene speakers and triple-layer composite diaphragms, provide powerful bass(down to 50Hz), stunning treble(up to 5kHz) and clear mids. In addition, the in ear wireless earbuds also provide five adjustable equalizer modes (standard, classic, jazz, rock, pop), allowing you to freely adjust according to different music styles and find the sound performance that suits you best.

Bluetooth 5.4 and One-Step Pairing: Experience the power of Bluetooth 5.4 technology with our in-ear Headphones, providing fast, stable connections that eliminate audio and video latency. These earbuds wireless bluetooth deliver superior sound quality and a strong signal for an immersive listening experience. Open the charging case to automatically connect to your previously paired device, maintaining a reliable connection within 15 meters. Enjoy uninterrupted music and calls wherever you go!

Smart Touch Screen Design: The U9 Bluetooth headphones supports charging box and dual-ear touch control. Simply touch the charging box to play/pause music, change song, answer/end call, and you can also perform these operations by touching both ears. The wireless bluetooth headphones can be easily paired with both iOS and Android devices.

48H Playtime: Wireless earphones provide up to 6-8 hours of high-quality sound output on a single 1.5-hour charge, and the included charging case can be charged an additional 5 times for a total playtime of 48 hours. Whether traveling for a long time or working continuously, this wireless earbuds can provide you with a long-lasting and stable audio experience, allowing you to enjoy immersive music and clear calls anytime, anywhere.

IPX7 Waterproof and Comfortable Fit: The wireless earbuds in ear are IP7 nanometer waterproof, so you don't have to worry about rain and sweat to enjoy high quality music. These earbuds wireless bluetooth are compact and lightweight, weighing only 3.8g per ear, ensuring you an extremely comfortable wearing experience. You can choose the earmuffs that fit you, which not only increases stability but also reduces the possibility of falling, allowing you to move freely during your activities.