M12 Wireless Bluetooth 5.0 Headset With Microphone Sports Headset Feature: [9D Surround Sound]: Use upgraded speakers to increase depth. Existence and space and presents 3D 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 [LED display]: Smart LED digital display charging and discharging instructions more intuitively predict battery life [Flashlight design]: Equipped with a high-capacity battery overturns the design of traditional flashlights. Specification: Bluetooth version: 5.0 Distance:> 10 m Headphone size: 20x25mm Charging box size: 83x50mm Charging bin capacity: 2000mAh Headphone battery capacity: 50mAh Headphone charging time: about 1 hour Talking/listening time: 180 hours Bluetooth version: 5.0 Waterproof: yes With microphone: yes Play time: about 4 hours IPX7 With emergency flashlight The package includes: 1 pair of headphones 1 charging box 1 x USB data cable 1 User manual