YD02 Wireless Bluetooth Headset Large Screen Smart Digital Display In-Ear Breathing Sports Headphones Features: [3D Surround Sound]: Use upgraded speakers to increase depth. Existence and space and presents surround effects such as live scenes. [Lightweight and comfortable]: Follow the ergonomic shape concept. The integrated design is suitable for the ears and it is convenient to wear the earphones and long-term stable and comfortable wearing and carrying. [Automatically turn on and automatically pair]: Smart to take out the headset from the storage box. The headset will automatically turn on and pair automatically. Easy to use and fast without any operation [LED display]: Smart LED digital display charging and discharging instructions more intuitively predict battery life [Breathing Lamp]: Exquisite breathing lamp design a combination of aesthetics and technology Product Description: Product model: YD02 Bluetooth version: V5.3 Battery capacity: 1200mAh Charging compartment size: 80.8* 55*30.7 mm Wearing : in-ear Bluetooth connection: ≤10 meters Headphone size: 24* 16.8* 14.5mm Product list: 1x earphone 1x manual 1x charging cable