【One-step pairing and Bluetooth 5.1 connectivity】 When you remove the headphones from the charging case, they are automatically switched on and connect to your smartphone. Wireless earbuds use Bluetooth 5.1 for a fast, strong and ultra-stable connection.【 Hi-Fi Stereo Sound】 These wireless earphones offer incredible sound quality with a dynamic listening experience. They deliver music with a wider soundstage and exceptional accuracy and clarity, so you can enjoy high fidelity music quality and clear calling anytime, anywhere.【 TWS Sport Headphones】 The bluetooth headset is ergonomically designed, True wireless in ear headphones use waterproof with sweatproof design according to IPX5 standards for more sport conditions. The waterproof technology efficiently protects sports headphones from damage from sweat and rain to ensure their longevity. They are perfect for running, hiking, yoga, fitness, traveling, etc.【 Touch control & volume control】 Together with intelligent touch sensors, wireless earphones can get the ultimate control. You can use real bluetooth earbuds to achieve +/- volume, play next / previous song, answer / reject calls, activate Siri, other functions that make your life more convenient.【 Long battery life】 Wireless headphones charging case supports wireless charging and USB cable cables for charging. These wireless headphones last 25 hours (only 1.5-2 hours charging time), the LED display shows the battery level in digital form.