【Bluetooth 5.1 Earbuds】Compatible with all Bluetooth-enabled devices.The bluetooth headphones features Bluetooth 5.3 and an advanced ceramic antenna with 50% signal enhancement and a minimum latency of 42ms. ensuring a stable connection in complexs environments.【Ultra Lightweight and Compatible】The surface and Angle of earbuds in-ear part have been polished and refined repeatedly to achieve a balance between beauty and comfort and make it comfortable to wear. Likewise, a single earbud weighs onlys 0.28bl, making it as light as a feather and discreet in the ear. Ergonomic design provides a comfortable and secure fit that doesn’t protrude from your ears especially for Sports, Workout.【Stereo sound quality】The earbuds has a powerful and wide sound range, which makes the treble full of dynamics, and the bass powerful.Adopt advanced Bluetooth chip makes the sound played by the earphones much more beautiful and pleasant, suitable for sports home/working.【Intelligent Digital Display】Intelligent power digital display, you can see thepower of the charging bin without flipping it, andthere is no worries about charging all day long.【IPX7 Waterproof】Wireless headphones with IPX7 nano-coating technology, it can protect your headset from sweat and rain during strenuous exercise or daily use. Please wipe the charging pin with a dry cloth after use to prevent sweat corrosion.