Digital LED indicator:The dual digital LED power indicator on the outside of the case shows the charging status of the case and the headphones. The LED flashes from 1 to 100 when the case is charging. Ergnomic Fit : X08 Bluetooth Headphones are based on data from thousands of people's ear canals and are backed with soft that fit in most ear canals and without constricting the ears. Each headset weighs only 4 grams and measures 1.57*0.78*0.59 inches with a charging case of 2.56*2.16*1 inches, allowing it to fit in any pocket. Intoxicating sound with microphone : X08 Wireless Headphones features a 13mm speaker and a three-layer composite diaphragm for powerful bass, clear mids and impressive highs. Designed for music lovers, the earphones support high quality AAC, SBC and MSBC audio decoding. Each headphone has a built-in microphone for calls, and CVC8.0 noise-cancellation technology ensures that the person on the other end can hear you clearly. Touch operation and one-step pairing : X08 headphones features a Hall switch and Bluetooth 5.2 technology. After the first connection, these wireless headphones will be automatically paired with your device once you open the charging case. During use, you can control your phone by touching one of the headphones, e.g. B. turn music on/off, adjust volume, make calls, use voice assistant and much more. IPX7 Waterproof and Sweatproof : X08 Wireless Headphones feature a IPX7 protection that withstands daily splashes of water, sweat and rain and can be used as a sport Bluetooth headphone.