Over-the-head Wireless Bluetooth Headset Long-lasting Foldable High-resolution Sound Comfortable To Wear Bluetooth 5.3 Dual-side Stereo Sound Product Parameters: Bluetooth version: V5.3 Material: ABS Colour: black Operating voltage: 5V Battery capacity: 400mAh Charging interface: Type-C interface Package Size: 8.26* 7.51* 3.54 in / 21*19.1*9cm Gross weight: 0.94 lb / 430g Product Description: Comfortable to wear: ergonomic design, adjustable headband headphones design, can easily adapt to any head size, foldable design for easy storage and storage and carrying. High resolution sound: immersive bass, high grade sound allows you to enjoy the beauty of music. Multiple connectivity: Bluetooth connectivity, 3.5mm audio cable connectivity when battery is low. Leading Bluetooth technology: Bluetooth headband headphones use advanced Bluetooth 5.3 technology to ensure a more stable connection, lower latency, lower power consumption during data transmission, earbuds and your device to experience a perfect and hassle-free connection between them. Convenient Push Button Responses - These earbuds consistently respond quickly and accurately to effortlessly control playback, volume and call management. Whether you're skipping to the nearest track or adjusting the volume, the functions on these earbuds provide a precisely intuitive user interface. List of items: Headband Wireless Headset*1; data cable*1 Instruction manual *1