LED Digital Display & 50H Play Time - The digital LED power display on the outside of the case facilitates easily manage of power, and the 400mAh battery capacity of the charging case provides five full charges for both 40mAh earbuds, each lasting play to five hours on a single charge. hence by taking turns, true wireless earbuds can keep up with your rhythm for 50 hours long. Leading Pairing Technology - Featuring advanced V5.3 technology, headphone greatly improves transmission speed and reduces sound signal loss, providing you with a stable and low latency listening experience within 15 meters range. Immersive Sound and Clear Calls - True wireless headphones offer superior full-bodied sound quality. immersing yourself in a concert like three-dimensional soundstage effect whether you're at the gym, office, bus, or home. Each earbud has a built-in microphone for phone calls. IPX5 Waterproof - Made of carefully selected premium nano-materials to prevent the wireless earbuds from being damaged by sweat. IPX5 waterproof earphones enable you easily control the pace while running/exercising. Smart Touch Control- Activate all your favorite functions with just a tap to play/pause/skip music, adjust the volume and make calls as well as activate "Siri" without taking your phone out of your pocket. Compact Elegant Aesthetics - Every detail of the headset is carefully designed, each material used is carefully selected, the premium frosted material enables it difficult to slip, and the compact body can easily fit in your pocket. Ears Painless - Half-in-ear mode is safer and more comfortable than other in-ear earbuds. and enable you clearly hear the airline or subway announcements and what people around you are saying without taking off the earphones. Individual headphones are approximately 0.14 ounces. Different sizes of earbuds attached match more people with different ear shapes. Package Contents - Earphones *2, Charging case *1, Mini USB Type C cable *1, Earcaps *4(L S), User manual *1, and a friendly customer service.