YLFASHION Bluetooth 5.3 Over-Ear Stereo Headphones, Foldable, Microphone, Adjustable Headband, volume-control, Lightweight. V5.3 Bluetooth Chip Technology: Bluetooth headphones adopted 5.3 bluetooth chip technology to ensure more stable connection, faster transmission speed with fewer drop-outs, headphones let you hear music the way it was originally heard. HD calls: Wireless microphone headset have a built-in microphone, which provides HD calls even in windy or noisy environments, suit for online meeting, online studying, hands-free calling, Video Calling, etc. Super Comfort Wearing: The bluetooth headphones earcups gently fit around your ear to ensure a comfortable fit. No pain when worn for a long time. The headband is adjustable and stretchable for flexible adjustment to fit any head shape and size. Adjustable Comfy Headband & Soft Ear Pads This wireless headphones for kids for school comes with adjustable soft headband, skin-friendly ear pads is comfortable for long-term wearing. The holistic design islightweight,durable, andcomfortable, so you can get lostin your music. Multi-function control Smart and convenient life has always been what we are after, on our headphones, you can achieve this life, we headphones with very smart action button, when you connect the mobile phone after use, you can through headphones for answering calls on the collocation of buttons, switching songs, to adjust the volume, and can also switch to radio mode Ultra-low power consumption Bluetooth 5.3 HD speaker units drivers combined with an Advanced Bluetooth V5.1 chipset, deliver high fidelity deep bass and true to the original music. Space-saving design for Easy to Carry in a Bag Thanks to their lightweight and collapsible design, take little storage space. the space-saving headset can be easily folded up and stored in bags or suitcases. Give yourself a good mood during the trip. Pair Easily, Stable Connection Adopting advanced Bluetooth Technology, these wireless headphones are compatible with your most electronic device such as MP3, Phones, Tablet, PC, and Laptop...It supports to be connected up to 33ft (10m). Type C Fast Charging and Micro SD Modes Children's headphones use type C charging mode. Not only can it charge the headset quickly, but it can also reduce the trouble of constantly replacing the battery and the constant cost. Give your kids the freedom to enjoy a range of different modes from any device with our specially designed bluetooth headphones for Kids. Note: Maximum support 64GB TF card (TF card is not included in the package) Wireless Freedom and Wired Mode The wireless headphones provide you an easy approach to enjoy the audio sound for your travel, exercise, learn without an audio cable plugged. Once it has run out of power, you can also turn to wired mode with the attached 3.5 mm audio cable and continue enjoying a no interruption music experience. Undisturbed A Useful Tool for Learning Enjoy Your Favorite Music The Ultimate Portable Travel Accessory