[Advanced Bluetooth 5.2&Bass Sound] Equipped with latest bluetooth 5.2 chip, Lanteso S21 true wireless earbuds has more stable connection, long transmission range with low power consumption and no latency when you listening to music,watch videos or playing games.Built-in 6mm aperture speaker drivers produce HD sound quality with deep bass, clear vocals, and crisp high tones. Nothing more important to always have music with you for leisure and relaxation.[Auto Pairing&Easy Touch Control]Just simply take out one or both bluetooth earbuds out of the charging case,the lanteso earbuds will power on and connect to your device automatically,either of them can be connected separately.Mainstream touch design providing utmost convenient for you to switch tracks,control volume,activate voice assistant and answer/end phone calls.[Ultra Lightweight&Comfort Fit]Lanteso bluetooth headphones features with ultra lightweight design which brings you a brand new wearing experience,only 4.1g of single earbud,feeling light without burden and pain even wear the headphones for a long time.Ergonomic design make the earphones fit in your ear canals more stable and comfortable,not easy to loose or fall off ,perfect for sports wearing.