Feature:1. Comfortable: Ergonomic and lightweight design fits comfortably and snuggly in your ear. Will not feel pain after long time using. Made of medical grade silicone material, safe and comfortable to wear, and stable, not easy to fall. Suitable for long time wearing.2. Stereo HD Fidelity: Our wireless headphones feature high-performance composite diaphragms that combine and reduce sound distortion, provide deep bass and treble, and provide a pleasant musical experience. With high-quality Bluetooth headphones with built-in microphone, you can make calls easily. So, you can chat with your friends or speak more clearly while driving and listening to music without being affected by external influences.3. TWS Stereo Mode: When two headsets are interconnected in TWS technology, they form a surround sound system, which allows different channels to change in space, bringing a rich sense of hearing.4. The Most Stable Bluetooth 5.0 Wireless Technology: Compared with the traditional Bluetooth 4.2, this wireless earphone has faster transmission speed, longer transmission distance and greater data transmission. It is powerful and stable, delivering high quality, low latency and continuous and stable audio signals. Bluetooth in-ear headphones have a wireless connection distance of at least 10 meters (accessible). Calling and playing games will not delayed. And suitable for most smart Bluetooth devices.5. LED power display screen and 500mAh battery: Equipped with a 500mAh charging box, and the talking time up to 4-5 hours. Add a large power display screen, the remaining power of the charging cabin and the headphone can be known at a glance.6. IPX5 Waterproof Level: IPX5 waterproof ensures that Bluetooth earphones are sweat-resistant, making them a perfect companion for sports.7. Intelligent voice control: You can call the voice assistant by tapping the headset 3 times, which is very convenient.Specification:Item Type: Wireless Earphones,Bluetooth Version: 5.0,Working Voltage: 3.2V~3.4V,Headphone Speaker: 8mm,Headphone Battery Capacity: 40MAH,Storage Box Battery Capacity: 500MAH,Transmission Distance: >10m,Talking Time: 4-5 hours,Playing time: 4-5 hours,Headphone Charging Time: 1.5 hours,Support system: All Bluetooth-enabled devices and mobile phones. Package List:1 * Wireless Earphones,1 * Charging Case,1 * Charging Cable,1 * User Manual.