Soul signature sound quality - designed with Bluetooth 5.0 technology and AAC codec, st-xx is engineered to deliver the soul’s signature sound of balanced Deep low bass without sacrificing the clarity of the midst and highs.
Auto pairing function - no more hassle when pairing up your wireless earphones! Simply take out st-xx from the charging box and connect with your smartphone, and you are ready to go in just a sec.
IPX5 weatherproof - Adhere to IPX5 protection standard, st-xx is designed for the added protection from exposure to sweat and rain.
Small but powerful - small in size, big on sound! Each earbud of st-xx only weights 4G, securely fitted in your ears with all day listening.
Portable charging box - came with a small portable charging box, allows you to recharge your st-xx for 3-time, keeps you moving up to 20-hour.